{ "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/cohesive-potential-energy-cubic-crystal" "instance-id" 1 "space-group" { "source-value" "Im-3m" } "basis-atom-coordinates" { "source-value" [ [ 0 0 0 ] [ 0.5 0.5 0.5 ] ] } "species" { "source-value" [ "Na" "Na" ] } "short-name" { "source-value" [ "bcc" ] } "a" { "source-value" 4.19457161013 "source-unit" "angstrom" } "cohesive-potential-energy" { "source-value" 1.31248586 "source-unit" "eV" } }