[
    {
        "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" [
                "O" 
                "O"
            ]
        } 
        "a" {
            "source-value" 2.154108852148056 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.154108852148056e-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" 2219.5571030967812 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930728423597 
            "si-unit" "kg / m s^2" 
            "si-value" 2219557103096.781
        } 
        "c12" {
            "source-value" 2187.982101091465 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0051872863643467266 
            "si-unit" "kg / m s^2" 
            "si-value" 2187982101091.465
        } 
        "c44" {
            "source-value" -1338.1240500254232 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826833817133 
            "si-unit" "kg / m s^2" 
            "si-value" -1338124050025.423
        } 
        "excess" {
            "source-value" 0.0013564620537923281 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809132953 
            "si-unit" "kg / m s^2" 
            "si-value" 1356462.053792328
        }
    } 
    {
        "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" [
                "O" 
                "O"
            ]
        } 
        "a" {
            "source-value" 2.154108852148056 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.154108852148056e-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" 2198.507101759904 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401580792015 
            "si-unit" "kg / m s^2" 
            "si-value" 2198507101759.904
        }
    }
]