{
    "property-id" "tag:staff@noreply.openkim.org,2014-05-21:property/elastic-constants-isothermal-cubic-crystal-npt"
    "instance-id" 1
    "space-group" {
        "source-value" "Im-3m"
    }
    "basis-atom-coordinates" {
        "source-value" [
            [
                0
                0
                0
            ]
            [
                0.5
                0.5
                0.5
            ]
        ]
    }
    "species" {
        "source-value" [
            "Na"
            "Na"
        ]
    }
    "cauchy-stress" {
        "source-value" [
            0
            0
            0
            0
            0
            0
        ]
        "source-unit" "GPa"
    }
    "temperature" {
        "source-value" 0
        "source-unit" "K"
    }
    "short-name" {
        "source-value" [
            "bcc"
        ]
    }
    "a" {
        "source-value" 4.19457161013
        "source-unit" "angstrom"
    }
    "c11" {
        "source-value" 8.860431453798093
        "source-unit" "GPa"
    }
    "c12" {
        "source-value" 6.838284046089756
        "source-unit" "GPa"
    }
    "c44" {
        "source-value" 6.553688390000001
        "source-unit" "GPa"
    }
    "excess" {
        "source-value" 0
        "source-unit" "GPa"
    }
}