Total magnetic moment (property)

{
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    "title": "Total magnetic moment",
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        "format": "1.3",
        "name": "total_magnetic_moment",
        "label": "total_magnetic_moment_magnetism_httk"
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    "x-optimade-unit": "bohrmagneton",
    "x-optimade-unit-definitions": [
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            "$id": "https://schemas.optimade.org/defs/v1.2/constants/codata/2018/electromagnetic/bohrmagneton",
            "title": "Bohr magneton",
            "symbol": "bohrmagneton",
            "display-symbol": "\\(\\mu_B\\)",
            "description": "The 2018 CODATA Bohr magneton constant is defined as \"1 \\(\\mu_B\\) = 9.274 010 0783(28)\u00b710\u207b\u00b2\u2074 J\u00b7T\u207b\u00b9\" with joule and tesla conforming to the 2019 redefinition of the SI derived units.",
            "resources": [
                {
                    "relation": "2018 CODATA value Bohr magneton: source for relationship to SI units",
                    "resource-id": "https://physics.nist.gov/cgi-bin/cuu/Value?mub"
                },
                {
                    "relation": "Wikipedia article describing the unit",
                    "resource-id": "https://en.wikipedia.org/wiki/Bohr_magneton"
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                        "symbol": "J",
                        "id": "https://schemas.optimade.org/defs/v1.2/units/si/2019/named/joule"
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                    {
                        "symbol": "T",
                        "id": "https://schemas.optimade.org/defs/v1.2/units/si/2019/named/tesla"
                    }
                ],
                "base-units-expression": "J*T^-1",
                "scale": {
                    "numerator": 92740100783,
                    "exponent": -34,
                    "standard_uncertainty": 2.8e-34
                }
            },
            "standard": {
                "name": "codata",
                "year": 2018,
                "category": "electromagnetic",
                "symbol": "\\(\\mu_B\\)"
            },
            "x-optimade-definition": {
                "label": "bohrmagneton_constant_codata_2018_electromagnetic",
                "kind": "constant",
                "format": "1.2",
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                "name": "bohrmagneton"
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            3
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    "description": "The total magnetic moment of the cell, in Bohr magnetons, as a vector over `dim_spatial`: the vector sum of the site moments in the Cartesian frame of the structure (the frame of `lattice_vectors` and `cartesian_site_positions`).\nOnly the sum of the site moments is recorded; contributions outside the sites (interstitial regions) are not included unless the producing analysis states so.\nA null value means the quantity is not available or not recorded.",
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