[
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br2ClCsPb", 
                "commonName": "CsPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "195.672", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "535.366", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.709", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.709", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br3CsPb", 
                "commonName": "CsPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "204.67", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "579.817", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.639", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.639", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "BrCl2CsPb", 
                "commonName": "CsPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "187.234", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "490.915", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.797", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.797", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl3CsPb", 
                "commonName": "CsPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "178.666", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "446.463", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.265", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.265", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "BrCsI2Pb", 
                "commonName": "CsPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "233.516", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "673.818", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.466", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.466", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "ClCsI2Pb", 
                "commonName": "CsPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "223.088", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "629.367", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.306", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.306", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CsI3Pb", 
                "commonName": "CsPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "247.093", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "720.819", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.624", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.624", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br2CsIPb", 
                "commonName": "CsPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "220.865", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "626.818", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.077", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.909", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "BrClCsIPb", 
                "commonName": "CsPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "211.991", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "582.367", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.978", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.887", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl2CsIPb", 
                "commonName": "CsPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "203.831", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "537.915", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.207", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.103", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br2ClCsSn", 
                "commonName": "CsSnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "183.083", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "446.876", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.552", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.552", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br3CsSn", 
                "commonName": "CsSnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "191.422", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "491.327", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.515", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.515", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "BrCl2CsSn", 
                "commonName": "CsSnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "175.034", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "402.425", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.59", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.59", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl3CsSn", 
                "commonName": "CsSnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "167.078", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "357.973", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.969", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.969", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "BrCsI2Sn", 
                "commonName": "CsSnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "217.562", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "585.328", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.359", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.359", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "ClCsI2Sn", 
                "commonName": "CsSnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "208.548", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "540.877", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.366", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.366", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CsI3Sn", 
                "commonName": "CsSnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "231.314", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "632.329", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.23", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.23", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br2CsISn", 
                "commonName": "CsSnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "204.695", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "538.328", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.441", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.441", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "BrClCsISn", 
                "commonName": "CsSnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "198.4", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "493.877", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.824", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.709", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl2CsISn", 
                "commonName": "CsSnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "191.004", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "449.425", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.168", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.021", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Br2ClNPb", 
                "commonName": "MAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "202.563", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "434.526", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.177", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.177", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Br3NPb", 
                "commonName": "MAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "210.899", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "478.977", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.964", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.964", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6BrCl2NPb", 
                "commonName": "MAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "194.211", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "390.075", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.294", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.294", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Cl3NPb", 
                "commonName": "MAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "185.121", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "345.623", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.712", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.712", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6BrI2NPb", 
                "commonName": "MAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "238.556", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "572.978", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.462", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.462", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6ClI2NPb", 
                "commonName": "MAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "229.833", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "528.527", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.624", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.624", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6I3NPb", 
                "commonName": "MAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "252.183", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "619.979", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.359", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.359", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Br2INPb", 
                "commonName": "MAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "225.623", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "525.978", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.646", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.646", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6BrClINPb", 
                "commonName": "MAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "217.012", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "481.527", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.807", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.805", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Cl2INPb", 
                "commonName": "MAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "210.414", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "437.075", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.997", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.997", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Br2ClNSn", 
                "commonName": "MASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "196.653", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "346.036", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.695", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.695", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Br3NSn", 
                "commonName": "MASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "201.201", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "390.487", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.1", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.1", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6BrCl2NSn", 
                "commonName": "MASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "189.631", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "301.585", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.914", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.914", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Cl3NSn", 
                "commonName": "MASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "179.928", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "257.133", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.226", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.226", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6BrI2NSn", 
                "commonName": "MASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "226.815", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "484.488", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.555", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.555", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6ClI2NSn", 
                "commonName": "MASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "220.578", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "440.037", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.778", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.778", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6I3NSn", 
                "commonName": "MASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "238.723", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "531.489", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.438", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.438", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Br2INSn", 
                "commonName": "MASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "215.73", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "437.488", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.71", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.71", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6BrClINSn", 
                "commonName": "MASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "212.52", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "393.037", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.421", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.421", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH6Cl2INSn", 
                "commonName": "MASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "206.057", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "348.585", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.544", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.544", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Br2ClN2Pb", 
                "commonName": "FAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "210.78", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "447.525", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.337", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.337", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Br3N2Pb", 
                "commonName": "FAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "214.784", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "491.976", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.29", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.29", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5BrCl2N2Pb", 
                "commonName": "FAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "198.707", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "403.074", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.504", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.504", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Cl3N2Pb", 
                "commonName": "FAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "191.937", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "358.622", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.171", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.171", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5BrI2N2Pb", 
                "commonName": "FAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "246.148", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "585.977", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.602", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.602", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5ClI2N2Pb", 
                "commonName": "FAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "239.657", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "541.526", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.791", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.791", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5I3N2Pb", 
                "commonName": "FAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "256.312", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "632.978", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.474", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.474", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Br2IN2Pb", 
                "commonName": "FAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "226.215", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "538.977", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.713", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.713", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5BrClIN2Pb", 
                "commonName": "FAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "221.782", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "494.525", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.805", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.805", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Cl2IN2Pb", 
                "commonName": "FAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "206.073", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "450.074", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.985", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.985", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Br2ClN2Sn", 
                "commonName": "FASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "208.366", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "359.035", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.384", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.384", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Br3N2Sn", 
                "commonName": "FASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "208.787", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "403.486", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.686", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.673", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5BrCl2N2Sn", 
                "commonName": "FASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "192.737", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "314.584", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.341", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.341", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Cl3N2Sn", 
                "commonName": "FASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "192.614", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "270.132", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.549", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.549", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5BrI2N2Sn", 
                "commonName": "FASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "238.661", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "497.487", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.073", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.073", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5ClI2N2Sn", 
                "commonName": "FASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "237.486", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "453.036", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.361", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.361", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5I3N2Sn", 
                "commonName": "FASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "245.025", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "544.488", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.81", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.807", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Br2IN2Sn", 
                "commonName": "FASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "214.745", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "450.487", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.88", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.88", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5BrClIN2Sn", 
                "commonName": "FASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "206.19", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "406.035", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.891", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.891", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "CH5Cl2IN2Sn", 
                "commonName": "FASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "198.765", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pm-3m", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "cubic", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "361.584", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.11", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.11", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cl4Cs4Pb4", 
                "commonName": "CsPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "750.665", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2141.464", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.052", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.052", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br12Cs4Pb4", 
                "commonName": "CsPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "788.422", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2319.27", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.939", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.939", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl8Cs4Pb4", 
                "commonName": "CsPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "715.02", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1963.659", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.191", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.191", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl12Cs4Pb4", 
                "commonName": "CsPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "690.841", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1785.854", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.617", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.617", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cs4I8Pb4", 
                "commonName": "CsPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "890.14", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2695.274", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.356", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.356", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl4Cs4I8Pb4", 
                "commonName": "CsPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "868.865", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2517.468", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.977", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.977", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cs4I12Pb4", 
                "commonName": "CsPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "945.764", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2883.276", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.309", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.309", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cs4I4Pb4", 
                "commonName": "CsPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "826.994", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2507.272", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.581", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.581", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl4Cs4I4Pb4", 
                "commonName": "CsPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "793.872", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2329.466", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.664", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.664", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl8Cs4I4Pb4", 
                "commonName": "CsPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "780.122", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2151.661", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.77", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.77", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cl4Cs4Sn4", 
                "commonName": "CsSnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "714.145", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1787.504", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.103", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.103", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br12Cs4Sn4", 
                "commonName": "CsSnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "749.703", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1965.31", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.968", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.968", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl8Cs4Sn4", 
                "commonName": "CsSnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "679.512", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1609.699", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.199", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.199", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl12Cs4Sn4", 
                "commonName": "CsSnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "657.522", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1431.894", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.285", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.285", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cs4I8Sn4", 
                "commonName": "CsSnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "842.787", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2341.314", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.827", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.827", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl4Cs4I8Sn4", 
                "commonName": "CsSnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "836.471", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2163.508", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.617", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.617", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cs4I12Sn4", 
                "commonName": "CsSnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "899.485", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2529.316", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.732", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.732", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cs4I4Sn4", 
                "commonName": "CsSnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "788.815", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2153.312", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.891", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.891", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl4Cs4I4Sn4", 
                "commonName": "CsSnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "755.959", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1975.506", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.366", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.366", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl8Cs4I4Sn4", 
                "commonName": "CsSnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "735.126", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1797.701", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.981", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.981", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8Cl4N4Pb4", 
                "commonName": "MAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "905.562", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1738.104", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.114", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.066", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br12N4Pb4", 
                "commonName": "MAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "908.521", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1915.909", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.669", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.669", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl8N4Pb4", 
                "commonName": "MAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "902.241", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1560.299", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.653", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.605", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl12N4Pb4", 
                "commonName": "MAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "903.753", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1382.494", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.253", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.253", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4I8N4Pb4", 
                "commonName": "MAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "953.642", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2291.913", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.141", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.141", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl4I8N4Pb4", 
                "commonName": "MAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "950.726", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2114.108", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.294", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.246", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24I12N4Pb4", 
                "commonName": "MAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "970.031", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2479.915", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.078", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.035", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8I4N4Pb4", 
                "commonName": "MAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "927.742", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2103.911", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.332", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.321", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl4I4N4Pb4", 
                "commonName": "MAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "922.404", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1926.106", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.575", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.55", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl8I4N4Pb4", 
                "commonName": "MAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "912.454", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1748.301", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.779", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.748", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8Cl4N4Sn4", 
                "commonName": "MASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "914.957", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1384.144", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.934", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.93", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br12N4Sn4", 
                "commonName": "MASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "917.997", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1561.949", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.712", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.712", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl8N4Sn4", 
                "commonName": "MASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "911.88", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1206.339", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.524", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.512", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl12N4Sn4", 
                "commonName": "MASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "911.564", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1028.534", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.251", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.251", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4I8N4Sn4", 
                "commonName": "MASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "942.619", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1937.953", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.825", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.758", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl4I8N4Sn4", 
                "commonName": "MASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "942.563", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1760.148", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.984", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.913", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24I12N4Sn4", 
                "commonName": "MASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "951.513", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2125.955", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.527", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.507", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8I4N4Sn4", 
                "commonName": "MASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "925.066", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1749.951", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.766", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.733", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl4I4N4Sn4", 
                "commonName": "MASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "921.504", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1572.146", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.405", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.369", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl8I4N4Sn4", 
                "commonName": "MASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "915.292", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1394.341", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.313", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.306", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8Cl4N8Pb4", 
                "commonName": "FAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "897.032", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1790.099", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.879", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.836", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br12N8Pb4", 
                "commonName": "FAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "905.292", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1967.904", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.451", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.451", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl8N8Pb4", 
                "commonName": "FAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "893.565", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1612.294", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.25", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.238", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl12N8Pb4", 
                "commonName": "FAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "897.541", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1434.489", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.891", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.891", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4I8N8Pb4", 
                "commonName": "FAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "937.094", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2343.908", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.388", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.388", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl4I8N8Pb4", 
                "commonName": "FAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "930.496", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2166.103", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.966", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.905", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20I12N8Pb4", 
                "commonName": "FAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "959.857", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2531.91", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.309", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.283", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8I4N8Pb4", 
                "commonName": "FAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "921.047", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2155.906", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.857", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.857", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl4I4N8Pb4", 
                "commonName": "FAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "913.644", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1978.101", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.182", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.155", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl8I4N8Pb4", 
                "commonName": "FAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "911.918", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1800.296", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.561", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.548", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8Cl4N8Sn4", 
                "commonName": "FASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "903.776", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1436.139", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.851", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.851", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br12N8Sn4", 
                "commonName": "FASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "914.249", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1613.944", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.648", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.648", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl8N8Sn4", 
                "commonName": "FASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "901.328", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1258.334", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.363", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.355", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl12N8Sn4", 
                "commonName": "FASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "903.679", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1080.529", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.93", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.93", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4I8N8Sn4", 
                "commonName": "FASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "931.591", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1989.948", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.665", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.613", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl4I8N8Sn4", 
                "commonName": "FASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "922.134", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1812.143", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.109", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.076", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20I12N8Sn4", 
                "commonName": "FASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "948.017", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2177.95", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.388", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.388", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8I4N8Sn4", 
                "commonName": "FASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "919.315", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1801.946", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.648", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.633", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl4I4N8Sn4", 
                "commonName": "FASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "914.716", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1624.141", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.848", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.845", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl8I4N8Sn4", 
                "commonName": "FASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "912.086", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "P4/mbm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "tetragonal", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1446.336", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.215", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.215", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cl4Cs4Pb4", 
                "commonName": "CsPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "751.96", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2141.464", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.295", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.295", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br12Cs4Pb4", 
                "commonName": "CsPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "783.088", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2319.27", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.23", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.23", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl8Cs4Pb4", 
                "commonName": "CsPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "719.75", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1963.659", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.318", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.318", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl12Cs4Pb4", 
                "commonName": "CsPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "687.389", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1785.854", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.855", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.855", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cs4I8Pb4", 
                "commonName": "CsPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "882.16", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2695.274", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.712", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.712", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl4Cs4I8Pb4", 
                "commonName": "CsPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "878.084", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2517.468", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.152", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.152", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cs4I12Pb4", 
                "commonName": "CsPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "931.822", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2883.276", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.658", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.658", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cs4I4Pb4", 
                "commonName": "CsPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "833.943", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2507.272", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.723", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.723", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl4Cs4I4Pb4", 
                "commonName": "CsPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "799.889", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2329.466", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.828", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.828", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl8Cs4I4Pb4", 
                "commonName": "CsPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "777.521", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2151.661", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.154", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.154", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cl4Cs4Sn4", 
                "commonName": "CsSnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "717.358", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1787.504", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.203", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.203", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br12Cs4Sn4", 
                "commonName": "CsSnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "746.886", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1965.31", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.1", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.1", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl8Cs4Sn4", 
                "commonName": "CsSnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "681.363", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1609.699", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.242", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.242", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl12Cs4Sn4", 
                "commonName": "CsSnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "653.777", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1431.894", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.456", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.456", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cs4I8Sn4", 
                "commonName": "CsSnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "854.746", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2341.314", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.996", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.996", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl4Cs4I8Sn4", 
                "commonName": "CsSnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "848.327", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2163.508", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.432", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.432", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cs4I12Sn4", 
                "commonName": "CsSnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "892.8", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2529.316", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.943", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.943", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cs4I4Sn4", 
                "commonName": "CsSnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "792.141", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2153.312", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.918", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.918", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl4Cs4I4Sn4", 
                "commonName": "CsSnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "768.45", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1975.506", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.157", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.157", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl8Cs4I4Sn4", 
                "commonName": "CsSnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "727.896", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1797.701", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.072", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.072", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8Cl4N4Pb4", 
                "commonName": "MAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "791.213", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1738.104", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.706", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.649", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br12N4Pb4", 
                "commonName": "MAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "798.303", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1915.909", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.251", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.235", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl8N4Pb4", 
                "commonName": "MAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "786.322", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1560.299", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.992", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.988", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl12N4Pb4", 
                "commonName": "MAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "780.178", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1382.494", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.387", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.387", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4I8N4Pb4", 
                "commonName": "MAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "818.712", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2291.913", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.55", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.55", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl4I8N4Pb4", 
                "commonName": "MAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "832.374", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2114.108", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.853", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.762", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24I12N4Pb4", 
                "commonName": "MAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "824.761", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2479.915", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.601", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.531", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8I4N4Pb4", 
                "commonName": "MAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "810.315", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2103.911", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.827", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.768", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl4I4N4Pb4", 
                "commonName": "MAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "803.299", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1926.106", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.255", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.249", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl8I4N4Pb4", 
                "commonName": "MAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "798.712", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1748.301", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.283", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.277", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8Cl4N4Sn4", 
                "commonName": "MASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "799.186", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1384.144", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.129", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.129", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br12N4Sn4", 
                "commonName": "MASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "795.5", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1561.949", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.399", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.399", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl8N4Sn4", 
                "commonName": "MASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "791.07", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1206.339", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.449", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.449", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl12N4Sn4", 
                "commonName": "MASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "793.541", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1028.534", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.074", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.074", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4I8N4Sn4", 
                "commonName": "MASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "824.705", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1937.953", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.65", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.602", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl4I8N4Sn4", 
                "commonName": "MASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "832.879", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1760.148", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.125", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.054", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24I12N4Sn4", 
                "commonName": "MASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "821.713", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2125.955", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.344", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.194", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8I4N4Sn4", 
                "commonName": "MASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "805.086", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1749.951", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.966", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.915", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl4I4N4Sn4", 
                "commonName": "MASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "809.741", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1572.146", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.474", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.474", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl8I4N4Sn4", 
                "commonName": "MASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "805.092", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1394.341", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.693", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.693", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8Cl4N8Pb4", 
                "commonName": "FAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "777.973", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1790.099", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.173", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.157", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br12N8Pb4", 
                "commonName": "FAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "780.622", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1967.904", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.738", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.725", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl8N8Pb4", 
                "commonName": "FAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "770.502", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1612.294", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.609", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.601", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl12N8Pb4", 
                "commonName": "FAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "761.794", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1434.489", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.15", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.15", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4I8N8Pb4", 
                "commonName": "FAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "828.142", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2343.908", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.119", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.119", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl4I8N8Pb4", 
                "commonName": "FAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "807.36", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2166.103", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.123", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.123", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20I12N8Pb4", 
                "commonName": "FAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "836.733", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2531.91", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.703", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.703", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8I4N8Pb4", 
                "commonName": "FAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "793.11", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2155.906", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.444", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.439", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl4I4N8Pb4", 
                "commonName": "FAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "788.137", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1978.101", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.899", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.883", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl8I4N8Pb4", 
                "commonName": "FAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "789.604", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1800.296", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.394", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.332", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8Cl4N8Sn4", 
                "commonName": "FASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "775.174", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1436.139", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.826", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.826", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br12N8Sn4", 
                "commonName": "FASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "783.227", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1613.944", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.652", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.652", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl8N8Sn4", 
                "commonName": "FASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "775.085", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1258.334", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.475", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.475", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl12N8Sn4", 
                "commonName": "FASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "772.921", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1080.529", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.138", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.138", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4I8N8Sn4", 
                "commonName": "FASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "803.793", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1989.948", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.858", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.839", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl4I8N8Sn4", 
                "commonName": "FASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "796.273", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1812.143", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.071", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.021", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20I12N8Sn4", 
                "commonName": "FASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "820", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2177.95", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.701", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "0.701", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8I4N8Sn4", 
                "commonName": "FASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "790.439", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1801.946", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.365", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.365", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl4I4N8Sn4", 
                "commonName": "FASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "793.746", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1624.141", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.584", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.578", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl8I4N8Sn4", 
                "commonName": "FASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "791.247", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pbnm", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_1$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1446.336", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.849", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "1.849", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cl4Cs4Pb4", 
                "commonName": "CsPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "711.22", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2141.464", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.071", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.936", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br12Cs4Pb4", 
                "commonName": "CsPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "735.752", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2319.27", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.822", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.718", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl8Cs4Pb4", 
                "commonName": "CsPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "684.278", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1963.659", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.346", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.218", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl12Cs4Pb4", 
                "commonName": "CsPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "650.899", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1785.854", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.619", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.435", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cs4I8Pb4", 
                "commonName": "CsPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "835.377", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2695.274", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.205", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.205", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl4Cs4I8Pb4", 
                "commonName": "CsPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "812.877", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2517.468", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.398", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.386", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cs4I12Pb4", 
                "commonName": "CsPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "876.171", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2883.276", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.972", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.924", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cs4I4Pb4", 
                "commonName": "CsPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "789.865", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2507.272", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.43", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.388", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl4Cs4I4Pb4", 
                "commonName": "CsPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "772.531", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2329.466", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.776", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.64", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl8Cs4I4Pb4", 
                "commonName": "CsPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "741.85", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2151.661", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.755", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.72", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cl4Cs4Sn4", 
                "commonName": "CsSnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "661.455", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1787.504", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.392", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.287", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br12Cs4Sn4", 
                "commonName": "CsSnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "706.412", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1965.31", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.608", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.47", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl8Cs4Sn4", 
                "commonName": "CsSnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "633.729", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1609.699", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.537", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.444", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl12Cs4Sn4", 
                "commonName": "CsSnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "610.982", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1431.894", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.771", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.658", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cs4I8Sn4", 
                "commonName": "CsSnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "801.834", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2341.314", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.144", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.043", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl4Cs4I8Sn4", 
                "commonName": "CsSnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "749.854", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2163.508", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.494", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.439", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cs4I12Sn4", 
                "commonName": "CsSnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "842.048", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2529.316", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.913", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.843", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br8Cs4I4Sn4", 
                "commonName": "CsSnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "756.188", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2153.312", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.329", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.242", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Br4Cl4Cs4I4Sn4", 
                "commonName": "CsSnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "705.911", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1975.506", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.098", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.03", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "Cl8Cs4I4Sn4", 
                "commonName": "CsSnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "707.947", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1797.701", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.862", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.743", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8Cl4N4Pb4", 
                "commonName": "MAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "886.765", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1738.104", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.12", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.1", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br12N4Pb4", 
                "commonName": "MAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "888.542", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1915.909", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.849", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.791", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl8N4Pb4", 
                "commonName": "MAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "882.769", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1560.299", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.428", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.334", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl12N4Pb4", 
                "commonName": "MAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "889.363", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1382.494", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.606", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.506", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4I8N4Pb4", 
                "commonName": "MAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "908.739", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2291.913", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.211", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.211", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl4I8N4Pb4", 
                "commonName": "MAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "906.57", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2114.108", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.354", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.354", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24I12N4Pb4", 
                "commonName": "MAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "917.491", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2479.915", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.894", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.822", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8I4N4Pb4", 
                "commonName": "MAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "903.701", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2103.911", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.421", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.395", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl4I4N4Pb4", 
                "commonName": "MAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "902.516", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1926.106", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.695", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.694", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl8I4N4Pb4", 
                "commonName": "MAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "900.563", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1748.301", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.812", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.811", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8Cl4N4Sn4", 
                "commonName": "MASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "878.006", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1384.144", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.679", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.542", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br12N4Sn4", 
                "commonName": "MASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "886.612", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1561.949", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.865", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.746", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl8N4Sn4", 
                "commonName": "MASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "894.981", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1206.339", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.532", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.37", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl12N4Sn4", 
                "commonName": "MASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "887.71", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1028.534", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.943", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.792", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4I8N4Sn4", 
                "commonName": "MASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "903.273", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1937.953", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.274", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.195", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl4I8N4Sn4", 
                "commonName": "MASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "895.568", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1760.148", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.063", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.055", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24I12N4Sn4", 
                "commonName": "MASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "913.751", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2125.955", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.837", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.699", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br8I4N4Sn4", 
                "commonName": "MASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "903.292", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1749.951", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.556", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.472", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Br4Cl4I4N4Sn4", 
                "commonName": "MASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "896.938", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1572.146", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.201", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.096", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H24Cl8I4N4Sn4", 
                "commonName": "MASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "897.91", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1394.341", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.456", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.361", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8Cl4N8Pb4", 
                "commonName": "FAPbBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "869.647", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1790.099", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.962", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.695", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br12N8Pb4", 
                "commonName": "FAPbBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "872.958", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1967.904", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.667", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.364", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl8N8Pb4", 
                "commonName": "FAPbBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "865.95", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1612.294", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.252", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.044", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl12N8Pb4", 
                "commonName": "FAPbCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "861.484", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1434.489", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.389", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.121", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4I8N8Pb4", 
                "commonName": "FAPbI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "893.146", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2343.908", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.037", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.769", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl4I8N8Pb4", 
                "commonName": "FAPbI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "888.543", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2166.103", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.336", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.24", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20I12N8Pb4", 
                "commonName": "FAPbI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "897.951", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2531.91", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.793", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.407", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8I4N8Pb4", 
                "commonName": "FAPbIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "881.718", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2155.906", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.398", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.309", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl4I4N8Pb4", 
                "commonName": "FAPbIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "890.016", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1978.101", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.515", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.461", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl8I4N8Pb4", 
                "commonName": "FAPbICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "878.836", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1800.296", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.261", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.197", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8Cl4N8Sn4", 
                "commonName": "FASnBr2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "872.707", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1436.139", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.447", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.046", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br12N8Sn4", 
                "commonName": "FASnBr3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "875.793", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1613.944", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.121", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.675", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl8N8Sn4", 
                "commonName": "FASnBrCl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "869.433", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1258.334", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.727", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.44", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl12N8Sn4", 
                "commonName": "FASnCl3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "864.66", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1080.529", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.894", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "4.588", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4I8N8Sn4", 
                "commonName": "FASnI2Br", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "893.701", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1989.948", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.306", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.833", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl4I8N8Sn4", 
                "commonName": "FASnI2Cl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "892.453", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1812.143", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.621", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.24", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20I12N8Sn4", 
                "commonName": "FASnI3", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "897", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "2177.95", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.958", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "2.571", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br8I4N8Sn4", 
                "commonName": "FASnIBr2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "884.536", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1801.946", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.795", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.505", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Br4Cl4I4N8Sn4", 
                "commonName": "FASnIBrCl", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "894.488", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1624.141", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.934", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.63", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }, 
    {
        "sample": {
            "material": {
                "chemicalFormula": "C4H20Cl8I4N8Sn4", 
                "commonName": "FASnICl2", 
                "condition": [
                    {
                        "units": "$\\AA$$^3$", 
                        "scalar": "880.934", 
                        "name": "Volume"
                    }, 
                    {
                        "scalar": "Pnma", 
                        "name": "Space group"
                    }, 
                    {
                        "scalar": "orthorhombic$_2$", 
                        "name": "Symmetry"
                    }, 
                    {
                        "units": "g/mol", 
                        "scalar": "1446.336", 
                        "name": "Mass"
                    }
                ]
            }, 
            "reference": [
                {
                    "doi": "10.1063/1.4893495", 
                    "title": "Bandgap calculations and trends of organometal halide perovskites"
                }, 
                {
                    "url": "https://cmr.fysik.dtu.dk/organometal/organometal.html#organometal", 
                    "title": "Computational Materials Repository - Organometal Halide Perovskites"
                }
            ], 
            "measurement": [
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.565", 
                        "name": "Direct band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }, 
                {
                    "dataType": "Computational", 
                    "property": {
                        "units": "eV", 
                        "scalar": "3.329", 
                        "name": "Indirect band gap"
                    }, 
                    "method": "DFT (GLLB-SC)"
                }
            ]
        }
    }
]