[
    {
        "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" 2.9318645745515832 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.931864574551583e-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" 133.9049474502769 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930725026271 
            "si-unit" "kg / m s^2" 
            "si-value" 133904947450.2769
        } 
        "c12" {
            "source-value" 146.96576239836094 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286361995866 
            "si-unit" "kg / m s^2" 
            "si-value" 146965762398.3609
        } 
        "c44" {
            "source-value" 80.69872066335176 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826813334882 
            "si-unit" "kg / m s^2" 
            "si-value" 80698720663.35176
        } 
        "excess" {
            "source-value" 0.07381909172822737 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913337 
            "si-unit" "kg / m s^2" 
            "si-value" 73819091.72822738
        }
    } 
    {
        "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" 2.9318645745515832 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.931864574551583e-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" 142.61215741566625 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401578858553 
            "si-unit" "kg / m s^2" 
            "si-value" 142612157415.6663
        }
    }
]