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Energy differences between frozen core and full core for CCSD(T)/cc-pVTZ

19 06 19 13 52
For ()
  Energy (hartrees)
frozen core -1071.8432628
correlated core -1071.9528916
difference -0.1096288
  Energy (hartrees)
frozen core -1071.8402694
correlated core -1071.9499012
difference -0.1096318