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

19 06 19 13 52
For ()
  Energy (hartrees)
frozen core -151.6887783
correlated core -151.7422177
difference -0.0534394
  Energy (hartrees)
frozen core -151.6925010
correlated core -151.7450323
difference -0.0525313