[
    {
        "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" [
                "Ca" 
                "Ca"
            ]
        } 
        "a" {
            "source-value" 3.568595938384533 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.568595938384533e-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" 54.07045744240934 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930724896227 
            "si-unit" "kg / m s^2" 
            "si-value" 54070457442.40934
        } 
        "c12" {
            "source-value" 18.256244357884075 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286361847616 
            "si-unit" "kg / m s^2" 
            "si-value" 18256244357.88408
        } 
        "c44" {
            "source-value" 25.303221396272303 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826812432544 
            "si-unit" "kg / m s^2" 
            "si-value" 25303221396.2723
        } 
        "excess" {
            "source-value" 0.020108615476452176 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913306 
            "si-unit" "kg / m s^2" 
            "si-value" 20108615.47645218
        }
    } 
    {
        "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" [
                "Ca" 
                "Ca"
            ]
        } 
        "a" {
            "source-value" 3.568595938384533 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.568595938384533e-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" 30.194315386059163 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401578752828 
            "si-unit" "kg / m s^2" 
            "si-value" 30194315386.05916
        }
    }
]