[
    {
        "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" [
                "Si" 
                "Si"
            ]
        } 
        "a" {
            "source-value" 3.3908908516168603 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.39089085161686e-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" 744.0968610098253 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0073359307260202145 
            "si-unit" "kg / m s^2" 
            "si-value" 744096861009.8253
        } 
        "c12" {
            "source-value" 590.0912673471597 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286362506261 
            "si-unit" "kg / m s^2" 
            "si-value" 590091267347.1597
        } 
        "c44" {
            "source-value" 55.31345624607292 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826812921384 
            "si-unit" "kg / m s^2" 
            "si-value" 55313456246.07291
        } 
        "excess" {
            "source-value" 0.008989107162332829 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913299 
            "si-unit" "kg / m s^2" 
            "si-value" 8989107.16233283
        }
    } 
    {
        "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" [
                "Si" 
                "Si"
            ]
        } 
        "a" {
            "source-value" 3.3908908516168603 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.39089085161686e-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" 641.4264652347149 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401579327661 
            "si-unit" "kg / m s^2" 
            "si-value" 641426465234.7148
        }
    }
]