[
    {
        "short-name" {
            "source-value" [
                "fcc"
            ]
        } 
        "a" {
            "si-unit" "m" 
            "source-unit" "angstrom" 
            "si-value" 3.65836485028e-10 
            "source-value" 3.65836485028
        } 
        "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" 9773894377.550001 
            "source-std-uncert-value" 0.0018339826812179584 
            "source-value" 9.773894377546357
        } 
        "space-group" {
            "source-value" "Fm-3m"
        } 
        "excess" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" 59901589.7625 
            "source-std-uncert-value" 0.0025936431809133287 
            "source-value" 0.059901589762521634
        } 
        "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" 40322841591.4 
            "source-std-uncert-value" 0.005187286361873034 
            "source-value" 40.32284159136108
        } 
        "c11" {
            "si-unit" "kg / m s^2" 
            "source-unit" "GPa" 
            "si-value" 68013310410.6 
            "source-std-uncert-value" 0.00733593072491894 
            "source-value" 68.0133104105975
        } 
        "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" [
                "Fe" 
                "Fe" 
                "Fe" 
                "Fe"
            ]
        } 
        "instance-id" 1
    } 
    {
        "short-name" {
            "source-value" [
                "fcc"
            ]
        } 
        "a" {
            "si-unit" "m" 
            "source-unit" "angstrom" 
            "si-value" 3.65836485028e-10 
            "source-value" 3.65836485028
        } 
        "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" 49552997864.4 
            "source-std-uncert-value" 0.004235401578771036 
            "source-value" 49.55299786443989
        } 
        "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" [
                "Fe" 
                "Fe" 
                "Fe" 
                "Fe"
            ]
        } 
        "instance-id" 2
    }
]