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

For AlF atoms 1 and 2

For AlF (Aluminum monofluoride)
Bond length differences (full - frozen) in Å
Methods with standard basis sets
6-31G* cc-pVTZ cc-pCVDZ cc-pCVTZ
Coupled Cluster CCSD(T)=FULL 0.0007 -0.0015 0.0004 -0.0029