[
    {
        "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" 3.169639840722084 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.169639840722084e-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" 3918.3711239762065 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930731190801 
            "si-unit" "kg / m s^2" 
            "si-value" 3918371123976.207
        } 
        "c12" {
            "source-value" 3918.2808345179255 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0051872863663397 
            "si-unit" "kg / m s^2" 
            "si-value" 3918280834517.926
        } 
        "c44" {
            "source-value" -531.2211169040742 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.001833982682067346 
            "si-unit" "kg / m s^2" 
            "si-value" -531221116904.0742
        } 
        "excess" {
            "source-value" 0.0014911418766420058 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809132953 
            "si-unit" "kg / m s^2" 
            "si-value" 1491141.876642006
        }
    } 
    {
        "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" 3.169639840722084 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 3.169639840722084e-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" 3918.310931004019 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401582409401 
            "si-unit" "kg / m s^2" 
            "si-value" 3918310931004.019
        }
    }
]