[
    {
        "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" [
                "Fe" 
                "Fe"
            ]
        } 
        "a" {
            "source-value" 2.860341995954514 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.860341995954514e-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" 185.61369640879676 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930725110498 
            "si-unit" "kg / m s^2" 
            "si-value" 185613696408.7968
        } 
        "c12" {
            "source-value" 187.53407185856815 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286362042593 
            "si-unit" "kg / m s^2" 
            "si-value" 187534071858.5681
        } 
        "c44" {
            "source-value" 165.0527287360512 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826814708932 
            "si-unit" "kg / m s^2" 
            "si-value" 165052728736.0512
        } 
        "excess" {
            "source-value" 0.04704302147829834 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809133213 
            "si-unit" "kg / m s^2" 
            "si-value" 47043021.47829834
        }
    } 
    {
        "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" [
                "Fe" 
                "Fe"
            ]
        } 
        "a" {
            "source-value" 2.860341995954514 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.860341995954514e-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" 186.89394670864434 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0042354015789001975 
            "si-unit" "kg / m s^2" 
            "si-value" 186893946708.6443
        }
    }
]