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Energy differences between frozen core and full core for CCSD/cc-pCVTZ

19 06 19 13 52
For ()
  Energy (hartrees)
frozen core -412.7357504
correlated core -413.0947975
difference -0.3590470
  Energy (hartrees)
frozen core -412.7358486
correlated core -413.0948124
difference -0.3589638