{
  "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/structure-cubic-crystal-npt" 
  "instance-id" 1 
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      "He" 
      "He" 
      "He"
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  "space-group" {
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    "source-value" [
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  } 
  "wyckoff-coordinates" {
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    ]
  } 
  "wyckoff-species" {
    "source-value" [
      "He"
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  } 
  "temperature" {
    "source-unit" "K" 
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  } 
  "cauchy-stress" {
    "source-unit" "atm" 
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      -1693 
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      0 
      0
    ]
  } 
  "a" {
    "source-unit" "angstrom" 
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  }
}