[
    {
        "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" [
                "C" 
                "C"
            ]
        } 
        "a" {
            "source-value" 2.377290166914463 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.377290166914463e-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" 1215.8997452369938 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930726788735 
            "si-unit" "kg / m s^2" 
            "si-value" 1215899745236.994
        } 
        "c12" {
            "source-value" -262.6884821287576 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286362129156 
            "si-unit" "kg / m s^2" 
            "si-value" -262688482128.7576
        } 
        "c44" {
            "source-value" 6.887971140125256 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.001833982681213258 
            "si-unit" "kg / m s^2" 
            "si-value" 6887971140.125256
        } 
        "excess" {
            "source-value" 0.00030523998143893604 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809132944 
            "si-unit" "kg / m s^2" 
            "si-value" 305239.981438936
        }
    } 
    {
        "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" [
                "C" 
                "C"
            ]
        } 
        "a" {
            "source-value" 2.377290166914463 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.377290166914463e-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" 230.17426032649286 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401579270293 
            "si-unit" "kg / m s^2" 
            "si-value" 230174260326.4929
        }
    }
]