[
    {
        "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" 2.84364253282547 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.84364253282547e-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" 245.80651051196125 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.007335930725208549 
            "si-unit" "kg / m s^2" 
            "si-value" 245806510511.9612
        } 
        "c12" {
            "source-value" 141.44593906987086 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.005187286361989509 
            "si-unit" "kg / m s^2" 
            "si-value" 141445939069.8708
        } 
        "c44" {
            "source-value" 103.69116304996511 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0018339826813709408 
            "si-unit" "kg / m s^2" 
            "si-value" 103691163049.9651
        } 
        "excess" {
            "source-value" 0.2166946588093314 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.0025936431809134193 
            "si-unit" "kg / m s^2" 
            "si-value" 216694658.8093314
        }
    } 
    {
        "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" 2.84364253282547 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 2.84364253282547e-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" 176.23279621723432 
            "source-unit" "GPa" 
            "source-std-uncert-value" 0.004235401578890172 
            "si-unit" "kg / m s^2" 
            "si-value" 176232796217.2343
        }
    }
]