[
    {
        "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" [
                "Cu" 
                "Cu"
            ]
        } 
        "a" {
            "source-value" 2.9032087326049814 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.903208732604982e-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" 90.18739007458593 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0073359307249550604 
            "si-unit" "kg / m s^2" 
            "si-value" 90187390074.58594
        } 
        "c12" {
            "source-value" 109.61361232614827 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286361952843 
            "si-unit" "kg / m s^2" 
            "si-value" 109613612326.1483
        } 
        "c44" {
            "source-value" 85.66199752307915 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826813415733 
            "si-unit" "kg / m s^2" 
            "si-value" 85661997523.07915
        } 
        "excess" {
            "source-value" 0.02570766355348153 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913309 
            "si-unit" "kg / m s^2" 
            "si-value" 25707663.55348153
        }
    } 
    {
        "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" [
                "Cu" 
                "Cu"
            ]
        } 
        "a" {
            "source-value" 2.9032087326049814 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.903208732604982e-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" 103.13820490896082 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.00423540157882143 
            "si-unit" "kg / m s^2" 
            "si-value" 103138204908.9608
        }
    }
]