[
    {
        "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" 2.863657340407371 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.863657340407371e-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" 242.98039820186213 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930725203944 
            "si-unit" "kg / m s^2" 
            "si-value" 242980398201.8621
        } 
        "c12" {
            "source-value" 137.99288615130655 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286361985531 
            "si-unit" "kg / m s^2" 
            "si-value" 137992886151.3065
        } 
        "c44" {
            "source-value" 122.06676187253117 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.001833982681400873 
            "si-unit" "kg / m s^2" 
            "si-value" 122066761872.5312
        } 
        "excess" {
            "source-value" 0.07403180068978298 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.002593643180913337 
            "si-unit" "kg / m s^2" 
            "si-value" 74031800.68978298
        }
    } 
    {
        "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" 2.863657340407371 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.863657340407371e-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" 172.98872350149173 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.00423540157888712 
            "si-unit" "kg / m s^2" 
            "si-value" 172988723501.4917
        }
    }
]