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

19 06 19 13 52
For CH3CHOH (1-hydroxy-ethyl radical)
  Energy (hartrees)
frozen core -579.1609629
correlated core -579.2523769
difference -0.0914141
  Energy (hartrees)
frozen core -579.1924592
correlated core -579.2811164
difference -0.0886572
  Energy (hartrees)
frozen core -579.2253873
correlated core -579.3143231
difference -0.0889358
  Energy (hartrees)
frozen core -579.2071455
correlated core -579.2966687
difference -0.0895232