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Energy differences between frozen core and full core for B2PLYP/aug-cc-pVTZ

19 06 19 13 52
For HClO3 (Chloric Acid)
  Energy (hartrees)
frozen core -151.8714349
correlated core -151.8856429
difference -0.0142080
  Energy (hartrees)
frozen core -151.8743397
correlated core -151.8883642
difference -0.0140246