{
  "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/configuration-cluster-fixed" 
  "instance-id" 1 
  "species" {
    "source-value" [
      "Si" 
      "Si" 
      "Si" 
      "Si"
    ]
  } 
  "unrelaxed-configuration-positions" {
    "source-unit" "angstrom" 
    "source-value" [
      [
        1.913189 
        1.366091 
        3.167853
      ] 
      [
        2.518474 
        3.699619 
        3.287692
      ] 
      [
        3.813972 
        1.741907 
        1.979119
      ] 
      [
        3.987758 
        0.361815 
        3.756929
      ]
    ]
  } 
  "unrelaxed-configuration-forces" {
    "source-unit" "eV/angstrom" 
    "source-value" [
      [
        -0.338281 
        0.592333 
        1.498208
      ] 
      [
        0.142474 
        -1.944567 
        -1.151612
      ] 
      [
        0.836082 
        1.904142 
        -0.350652
      ] 
      [
        -0.640275 
        -0.551908 
        0.004057
      ]
    ]
  } 
  "unrelaxed-potential-energy" {
    "source-unit" "eV" 
    "source-value" -11.341444
  }
}