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

19 06 19 13 52
For ()
  Energy (hartrees)
frozen core -93.7095825
correlated core -93.7137375
difference -0.0041550
  Energy (hartrees)
frozen core -93.7177280
correlated core -93.7218741
difference -0.0041462