{ "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/cohesive-potential-energy-hexagonal-crystal" "instance-id" 1 "space-group" { "source-value" "P6/mmm" } "basis-atom-coordinates" { "source-value" [ [ 0.333333 0.666667 0 ] [ 0.666667 0.333333 0 ] ] } "species" { "source-value" [ "C" "C" ] } "a" { "source-value" 2.46719234075 "source-unit" "angstrom" } "c" { "source-value" 3.83003235627 "source-unit" "angstrom" } "cohesive-potential-energy" { "source-value" 9.21929884875 "source-unit" "eV" } }