{
    "property-id" "tag:staff@noreply.openkim.org,2015-05-26:property/unstable-stacking-fault-relaxed-energy-fcc-crystal-npt"
    "instance-id" 1
    "species" {
      "source-value" ["Ni"]
    }
    "a" {
        "source-value" 3.51
        "source-unit" "angstrom"
    }
    "cauchy-stress" {
        "source-value" [
            0
            0
            0
            0
            0
            0
        ]
        "source-unit" "GPa"
    }
    "unstable-stacking-energy" {
       "source-unit"  "millijoule/m^2"
       "source-value" 273
    }
}