[
    {
        "short-name" {
            "source-value" [
                "fcc"
            ]
        } 
        "a" {
            "si-unit" "m" 
            "source-unit" "angstrom" 
            "si-value" 4.49370586872e-10 
            "source-value" 4.49370586872
        } 
        "temperature" {
            "si-unit" "K" 
            "source-unit" "K" 
            "si-value" 0.0 
            "source-value" 0
        } 
        "property-id" "tag:staff@noreply.openkim.org,2014-05-21:property/elastic-constants-isothermal-cubic-crystal-npt" 
        "c44" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" 29190418407.2 
            "source-std-uncert-value" 0.0018339826812495863 
            "source-value" 29.19041840717946
        } 
        "space-group" {
            "source-value" "Fm-3m"
        } 
        "excess" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" 28109671.7014 
            "source-std-uncert-value" 0.0025936431809133105 
            "source-value" 0.02810967170142129
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.0 
                    0.5 
                    0.5
                ] 
                [
                    0.5 
                    0.0 
                    0.5
                ] 
                [
                    0.5 
                    0.5 
                    0.0
                ]
            ]
        } 
        "c12" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" 32293642016.1 
            "source-std-uncert-value" 0.0051872863618637865 
            "source-value" 32.293642016075104
        } 
        "c11" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" 50799550747.4 
            "source-std-uncert-value" 0.0073359307248909 
            "source-value" 50.7995507474306
        } 
        "cauchy-stress" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" [
                0.0 
                0.0 
                0.0 
                0.0 
                0.0 
                0.0
            ] 
            "source-value" [
                0 
                0 
                0 
                0 
                0 
                0
            ]
        } 
        "species" {
            "source-value" [
                "Mg" 
                "Mg" 
                "Mg" 
                "Mg"
            ]
        } 
        "instance-id" 1
    } 
    {
        "short-name" {
            "source-value" [
                "fcc"
            ]
        } 
        "a" {
            "si-unit" "m" 
            "source-unit" "angstrom" 
            "si-value" 4.49370586872e-10 
            "source-value" 4.49370586872
        } 
        "temperature" {
            "si-unit" "K" 
            "source-unit" "K" 
            "si-value" 0.0 
            "source-value" 0
        } 
        "isothermal-bulk-modulus" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" 38462278259.9 
            "source-std-uncert-value" 0.004235401578760605 
            "source-value" 38.46227825986027
        } 
        "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/bulk-modulus-isothermal-cubic-crystal-npt" 
        "space-group" {
            "source-value" "Fm-3m"
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.0 
                    0.5 
                    0.5
                ] 
                [
                    0.5 
                    0.0 
                    0.5
                ] 
                [
                    0.5 
                    0.5 
                    0.0
                ]
            ]
        } 
        "cauchy-stress" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" [
                0.0 
                0.0 
                0.0 
                0.0 
                0.0 
                0.0
            ] 
            "source-value" [
                0 
                0 
                0 
                0 
                0 
                0
            ]
        } 
        "species" {
            "source-value" [
                "Mg" 
                "Mg" 
                "Mg" 
                "Mg"
            ]
        } 
        "instance-id" 2
    }
]