[
    {
        "property-id" "tag:staff@noreply.openkim.org,2014-05-21:property/elastic-constants-isothermal-cubic-crystal-npt" 
        "instance-id" 1 
        "short-name" {
            "source-value" [
                "bcc"
            ]
        } 
        "species" {
            "source-value" [
                "C" 
                "C"
            ]
        } 
        "a" {
            "source-value" 2.274885162711144 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.274885162711144e-10
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.5 
                    0.5 
                    0.5
                ]
            ]
        } 
        "space-group" {
            "source-value" "Im-3m"
        } 
        "temperature" {
            "source-value" 0 
            "source-unit" "K" 
            "si-unit" "K" 
            "si-value" 0.0
        } 
        "cauchy-stress" {
            "source-value" [
                0 
                0 
                0 
                0 
                0 
                0
            ] 
            "source-unit" "GPa" 
            "si-unit" "kg / m s^2" 
            "si-value" [
                0.0 
                0.0 
                0.0 
                0.0 
                0.0 
                0.0
            ]
        } 
        "c11" {
            "source-value" 519.7295290032579 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930725654742 
            "si-unit" "kg / m s^2" 
            "si-value" 519729529003.2579
        } 
        "c12" {
            "source-value" 440.13870999284404 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286362333544 
            "si-unit" "kg / m s^2" 
            "si-value" 440138709992.8441
        } 
        "c44" {
            "source-value" -97.74041902531178 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.001833982681361248 
            "si-unit" "kg / m s^2" 
            "si-value" -97740419025.31178
        } 
        "excess" {
            "source-value" 1.006602208993697e-08 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809132944 
            "si-unit" "kg / m s^2" 
            "si-value" 10.06602208993697
        }
    } 
    {
        "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/bulk-modulus-isothermal-cubic-crystal-npt" 
        "instance-id" 2 
        "short-name" {
            "source-value" [
                "bcc"
            ]
        } 
        "species" {
            "source-value" [
                "C" 
                "C"
            ]
        } 
        "a" {
            "source-value" 2.274885162711144 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.274885162711144e-10
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.5 
                    0.5 
                    0.5
                ]
            ]
        } 
        "space-group" {
            "source-value" "Im-3m"
        } 
        "temperature" {
            "source-value" 0 
            "source-unit" "K" 
            "si-unit" "K" 
            "si-value" 0.0
        } 
        "cauchy-stress" {
            "source-value" [
                0 
                0 
                0 
                0 
                0 
                0
            ] 
            "source-unit" "GPa" 
            "si-unit" "kg / m s^2" 
            "si-value" [
                0.0 
                0.0 
                0.0 
                0.0 
                0.0 
                0.0
            ]
        } 
        "isothermal-bulk-modulus" {
            "source-value" 466.6689829963153 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401579163311 
            "si-unit" "kg / m s^2" 
            "si-value" 466668982996.3153
        }
    }
]