[ { "short-name" { "source-value" [ "bcc" ] } "a" { "si-unit" "m" "source-unit" "angstrom" "si-value" 3.65427432954e-10 "source-value" 3.65427432954 } "temperature" { "si-unit" "K" "source-unit" "K" "si-value" 0.0 "source-value" 0 } "property-id" "tag:staff@noreply.openkim.org,2014-05-21:property/elastic-constants-isothermal-cubic-crystal-npt" "c44" { "si-unit" "kg / m s^2" "source-unit" "GPa" "si-value" 333893437740.0 "source-std-uncert-value" 0.0018339826817459182 "source-value" 333.89343774037303 } "space-group" { "source-value" "Im-3m" } "excess" { "si-unit" "kg / m s^2" "source-unit" "GPa" "si-value" 179089878.335 "source-std-uncert-value" 0.002593643180913397 "source-value" 0.17908987833459533 } "basis-atom-coordinates" { "source-value" [ [ 0.0 0.0 0.0 ] [ 0.5 0.5 0.5 ] ] } "c12" { "si-unit" "kg / m s^2" "source-unit" "GPa" "si-value" 333525671572.0 "source-std-uncert-value" 0.005187286362210748 "source-value" 333.5256715721873 } "c11" { "si-unit" "kg / m s^2" "source-unit" "GPa" "si-value" 273168986157.0 "source-std-uncert-value" 0.007335930725253119 "source-value" 273.1689861572434 } "cauchy-stress" { "si-unit" "kg / m s^2" "source-unit" "GPa" "si-value" [ 0.0 0.0 0.0 0.0 0.0 0.0 ] "source-value" [ 0 0 0 0 0 0 ] } "species" { "source-value" [ "Na" "Na" ] } "instance-id" 1 } { "short-name" { "source-value" [ "bcc" ] } "a" { "si-unit" "m" "source-unit" "angstrom" "si-value" 3.65427432954e-10 "source-value" 3.65427432954 } "temperature" { "si-unit" "K" "source-unit" "K" "si-value" 0.0 "source-value" 0 } "isothermal-bulk-modulus" { "si-unit" "kg / m s^2" "source-unit" "GPa" "si-value" 313406776434.0 "source-std-uncert-value" 0.004235401579019176 "source-value" 313.40677643387266 } "property-id" "tag:staff@noreply.openkim.org,2014-04-15:property/bulk-modulus-isothermal-cubic-crystal-npt" "space-group" { "source-value" "Im-3m" } "basis-atom-coordinates" { "source-value" [ [ 0.0 0.0 0.0 ] [ 0.5 0.5 0.5 ] ] } "cauchy-stress" { "si-unit" "kg / m s^2" "source-unit" "GPa" "si-value" [ 0.0 0.0 0.0 0.0 0.0 0.0 ] "source-value" [ 0 0 0 0 0 0 ] } "species" { "source-value" [ "Na" "Na" ] } "instance-id" 2 } ]