[
    {
        "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" 3.2448074072599407 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.244807407259941e-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" 954.1982523920201 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930726362449 
            "si-unit" "kg / m s^2" 
            "si-value" 954198252392.0201
        } 
        "c12" {
            "source-value" 716.5147675828048 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0051872863626518766 
            "si-unit" "kg / m s^2" 
            "si-value" 716514767582.8048
        } 
        "c44" {
            "source-value" 75.12401977221943 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826813244075 
            "si-unit" "kg / m s^2" 
            "si-value" 75124019772.21942
        } 
        "excess" {
            "source-value" 0.005810971851854516 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913298 
            "si-unit" "kg / m s^2" 
            "si-value" 5810971.851854515
        }
    } 
    {
        "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" 3.2448074072599407 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.244807407259941e-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" 795.7425958525432 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401579472787 
            "si-unit" "kg / m s^2" 
            "si-value" 795742595852.5432
        }
    }
]