[
    {
        "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" [
                "W" 
                "W"
            ]
        } 
        "a" {
            "source-value" 3.180568918585777 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.180568918585777e-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" 341.355764516587 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930725364189 
            "si-unit" "kg / m s^2" 
            "si-value" 341355764516.587
        } 
        "c12" {
            "source-value" 316.70484539728596 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0051872863621913725 
            "si-unit" "kg / m s^2" 
            "si-value" 316704845397.2859
        } 
        "c44" {
            "source-value" 317.46369187508947 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826817191558 
            "si-unit" "kg / m s^2" 
            "si-value" 317463691875.0895
        } 
        "excess" {
            "source-value" 0.3781618946875065 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913512 
            "si-unit" "kg / m s^2" 
            "si-value" 378161894.6875065
        }
    } 
    {
        "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" [
                "W" 
                "W"
            ]
        } 
        "a" {
            "source-value" 3.180568918585777 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.180568918585777e-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" 324.92181843705293 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401579030005 
            "si-unit" "kg / m s^2" 
            "si-value" 324921818437.0529
        }
    }
]