[
    {
        "property-id" "tag:staff@noreply.openkim.org,2014-05-21:property/elastic-constants-isothermal-cubic-crystal-npt" 
        "instance-id" 1 
        "short-name" {
            "source-value" [
                "diamond"
            ]
        } 
        "species" {
            "source-value" [
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni"
            ]
        } 
        "a" {
            "source-value" 5.06236281991005 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 5.062362819910051e-10
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.25 
                    0.25 
                    0.25
                ] 
                [
                    0.0 
                    0.5 
                    0.5
                ] 
                [
                    0.25 
                    0.75 
                    0.75
                ] 
                [
                    0.5 
                    0.0 
                    0.5
                ] 
                [
                    0.75 
                    0.25 
                    0.75
                ] 
                [
                    0.5 
                    0.5 
                    0.0
                ] 
                [
                    0.75 
                    0.75 
                    0.25
                ]
            ]
        } 
        "space-group" {
            "source-value" "Fd-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" -10711.786482812486 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930742336561 
            "si-unit" "kg / m s^2" 
            "si-value" -10711786482812.49
        } 
        "c12" {
            "source-value" 69.16839062104059 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286361906257 
            "si-unit" "kg / m s^2" 
            "si-value" 69168390621.04059
        } 
        "c44" {
            "source-value" -4017.1742404462275 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826877456285 
            "si-unit" "kg / m s^2" 
            "si-value" -4017174240446.228
        } 
        "excess" {
            "source-value" 0.6329414237173099 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913659 
            "si-unit" "kg / m s^2" 
            "si-value" 632941423.7173098
        }
    } 
    {
        "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/bulk-modulus-isothermal-cubic-crystal-npt" 
        "instance-id" 2 
        "short-name" {
            "source-value" [
                "diamond"
            ]
        } 
        "species" {
            "source-value" [
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni" 
                "Ni"
            ]
        } 
        "a" {
            "source-value" 5.06236281991005 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 5.062362819910051e-10
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.25 
                    0.25 
                    0.25
                ] 
                [
                    0.0 
                    0.5 
                    0.5
                ] 
                [
                    0.25 
                    0.75 
                    0.75
                ] 
                [
                    0.5 
                    0.0 
                    0.5
                ] 
                [
                    0.75 
                    0.25 
                    0.75
                ] 
                [
                    0.5 
                    0.5 
                    0.0
                ] 
                [
                    0.75 
                    0.75 
                    0.25
                ]
            ]
        } 
        "space-group" {
            "source-value" "Fd-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" -3524.4832338568012 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401582141142 
            "si-unit" "kg / m s^2" 
            "si-value" -3524483233856.801
        }
    }
]