{
    "species": {
        "atom": "Ar",
        "ordinary_formula": "Ar+",
        "spectroscopic_notation": "Ar II",
        "charge": 1,
        "name": "argon ion",
        "mass_in_Da": 39.948
    },
    "dataset": {
        "name": "Kurucz",
        "version": 20240901,
        "doi": "",
        "max_temperature": 3874.655,
        "n_L_default": 0.5,
        "num_pressure_broadeners": 0,
        "nxsec_files": 0,
        "nkcoeff_files": 0,
        "dipole_available": false,
        "cooling_function_available": false,
        "specific_heat_available": false,
        "Ionisation": null,
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            "max_energy": 402598.377,
            "lifetime_available": true,
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            "states_file_fields": [
                {
                    "name": "ID",
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                    "ffmt": "I12",
                    "cfmt": "%12d"
                },
                {
                    "name": "E",
                    "desc": "State energy in cm^-1",
                    "ffmt": "F12.6",
                    "cfmt": "%12.6f"
                },
                {
                    "name": "gtot",
                    "desc": "State degeneracy",
                    "ffmt": "I6",
                    "cfmt": "%6d"
                },
                {
                    "name": "J",
                    "desc": "Total angular momentum quantum number, J (integer/half-integer)",
                    "ffmt": "F7.1",
                    "cfmt": "%7.1f"
                },
                {
                    "name": "Unc",
                    "desc": "Uncertainty in the state energy in cm^-1. Always 0.1",
                    "ffmt": "F12.6",
                    "cfmt": "%12.6f"
                },
                {
                    "name": "tau",
                    "desc": "State lifetime in s",
                    "ffmt": "ES12.4",
                    "cfmt": "%12.4e"
                },
                {
                    "name": "gfactor",
                    "desc": "Land\u00e9 g-factor",
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                },
                {
                    "name": "Configuration",
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                },
                {
                    "name": "Multiple",
                    "desc": "Term Value for the current state",
                    "ffmt": "A7",
                    "cfmt": "%7s"
                },
                {
                    "name": "Auxiliary:SourceType",
                    "desc": "Abbreviation defining if state energy is predicted (NI) or measured (CA)",
                    "ffmt": "A2",
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                }
            ]
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                    "name": "i",
                    "desc": "First state ID",
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                    "cfmt": "%12d"
                },
                {
                    "name": "f",
                    "desc": "Second state ID",
                    "ffmt": "I12",
                    "cfmt": "%12d"
                },
                {
                    "name": "A",
                    "desc": "Einstein A coefficient in s^-1",
                    "ffmt": "ES10.4",
                    "cfmt": "%10.4e"
                },
                {
                    "name": "Wavenumber",
                    "desc": "Transition wavenumber in cm^-1",
                    "ffmt": "E15.6",
                    "cfmt": "%15.6e"
                }
            ]
        },
        "partition_function": {
            "max_partition_function_temperature": 208930.0,
            "partition_function_step_size": "nonlinear",
            "fields": [
                {
                    "name": "T",
                    "desc": "Temperature in K",
                    "ffmt": "F8.1",
                    "cfmt": "%8.1d"
                },
                {
                    "name": "Q(T)",
                    "desc": "Partition function",
                    "ffmt": "F15.4",
                    "cfmt": "%15.4d"
                }
            ]
        }
    }
}