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Bond Length differences between CCSD(T)=FULL (all electrons correlated) and CCSD(T) (frozen core)

For Cl2 atoms 1 and 2

For Cl2 (Chlorine diatomic)
Bond length differences (full - frozen) in Å
Methods with standard basis sets
6-31G* cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(D+d)Z cc-pV(T+d)Z cc-pCVDZ cc-pCVTZ
Coupled Cluster CCSD(T)=FULL 0.0003 -0.0004 -0.0047 0.0001 -0.0074 -0.0013 -0.0061 -0.0017 -0.0033