{
  "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" [
      [
        2.799229 
        1.39947 
        2.90942
      ] 
      [
        1.755424 
        3.290747 
        3.119725
      ] 
      [
        4.105166 
        3.028799 
        1.978791
      ] 
      [
        3.422089 
        4.791435 
        3.468124
      ]
    ]
  } 
  "unrelaxed-configuration-forces" {
    "source-unit" "eV/angstrom" 
    "source-value" [
      [
        0.335692 
        -2.240767 
        -0.106706
      ] 
      [
        0.170824 
        1.084225 
        -0.315238
      ] 
      [
        -0.876703 
        0.831057 
        0.682264
      ] 
      [
        0.370187 
        0.325485 
        -0.26032
      ]
    ]
  } 
  "unrelaxed-potential-energy" {
    "source-unit" "eV" 
    "source-value" -11.959545
  }
}