[
    {
        "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" 3.208877496421337 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.208877496421337e-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" 164.6026034478972 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930725076274 
            "si-unit" "kg / m s^2" 
            "si-value" 164602603447.8972
        } 
        "c12" {
            "source-value" 130.88439569726083 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286361977343 
            "si-unit" "kg / m s^2" 
            "si-value" 130884395697.2608
        } 
        "c44" {
            "source-value" 123.835449830402 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.001833982681403754 
            "si-unit" "kg / m s^2" 
            "si-value" 123835449830.402
        } 
        "excess" {
            "source-value" 0.06394075609725752 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809133313 
            "si-unit" "kg / m s^2" 
            "si-value" 63940756.09725752
        }
    } 
    {
        "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" 3.208877496421337 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.208877496421337e-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" 142.12379828080628 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401578858093 
            "si-unit" "kg / m s^2" 
            "si-value" 142123798280.8063
        }
    }
]