[
    {
        "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/structure-hexagonal-crystal-npt" 
        "instance-id" 1 
        "cauchy-stress" {
            "source-value" [
                0.0 
                0.0 
                0.0 
                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
            ]
        } 
        "temperature" {
            "source-value" 0 
            "source-unit" "K" 
            "si-unit" "K" 
            "si-value" 0.0
        } 
        "short-name" {
            "source-value" [
                "hcp"
            ]
        } 
        "species" {
            "source-value" [
                "Na" 
                "Na"
            ]
        } 
        "a" {
            "source-value" 4.956128971537692 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 4.956128971537692e-10
        } 
        "c" {
            "source-value" 8.093324719794746 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 8.093324719794746e-10
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.6666666666666666 
                    0.3333333333333333 
                    0.5
                ]
            ]
        } 
        "space-group" {
            "source-value" "P63/mmc"
        }
    } 
    {
        "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/cohesive-potential-energy-hexagonal-crystal" 
        "instance-id" 2 
        "cohesive-potential-energy" {
            "source-value" 0.03385552410902965 
            "source-unit" "eV" 
            "si-unit" "kg m^2 / s^2" 
            "si-value" 5.424252965931097e-21
        } 
        "short-name" {
            "source-value" [
                "hcp"
            ]
        } 
        "species" {
            "source-value" [
                "Na" 
                "Na"
            ]
        } 
        "a" {
            "source-value" 4.956128971537692 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 4.956128971537692e-10
        } 
        "c" {
            "source-value" 8.093324719794746 
            "source-unit" "angstrom" 
            "si-unit" "m" 
            "si-value" 8.093324719794746e-10
        } 
        "basis-atom-coordinates" {
            "source-value" [
                [
                    0.0 
                    0.0 
                    0.0
                ] 
                [
                    0.6666666666666666 
                    0.3333333333333333 
                    0.5
                ]
            ]
        } 
        "space-group" {
            "source-value" "P63/mmc"
        }
    }
]