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

19 06 19 13 52
For ()
  Energy (hartrees)
frozen core -151.5441643
correlated core -151.5518771
difference -0.0077129
  Energy (hartrees)
frozen core -151.5487233
correlated core -151.5562011
difference -0.0074778