[
    {
        "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" [
                "Ni" 
                "Ni"
            ]
        } 
        "a" {
            "source-value" 2.768746592104435 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.768746592104435e-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" 142.212582846481 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0073359307250398026 
            "si-unit" "kg / m s^2" 
            "si-value" 142212582846.481
        } 
        "c12" {
            "source-value" 152.0537874479405 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286362001726 
            "si-unit" "kg / m s^2" 
            "si-value" 152053787447.9405
        } 
        "c44" {
            "source-value" 127.67897415809858 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826814100144 
            "si-unit" "kg / m s^2" 
            "si-value" 127678974158.0986
        } 
        "excess" {
            "source-value" 7.993605777302887e-09 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809132944 
            "si-unit" "kg / m s^2" 
            "si-value" 7.993605777302887
        }
    } 
    {
        "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" [
                "Ni" 
                "Ni"
            ]
        } 
        "a" {
            "source-value" 2.768746592104435 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.768746592104435e-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" 148.77338591412064 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401578864346 
            "si-unit" "kg / m s^2" 
            "si-value" 148773385914.1206
        }
    }
]