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Bond Length differences between FULL (all electrons correlated) and FROZEN core

Such as MP2=Frozen and MP2=Full
17 10 27 16 27

For NaBe atoms 1 and 2

For NaBe (Sodium Beryllium)
Bond length differences (full - frozen) in Å. Mouse over a difference for the bond length with full correlation.
Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ
Moller Plesset perturbation MP2=FULL 0.0101 -0.0003 0.0104 0.0032 -0.1119 0.0220 0.0246 -0.0745 0.0399 0.0693 0.0180 0.0091 0.1506 0.0467 0.0524 0.1155 0.0684
MP3=FULL         0.1171   0.0092                    
Coupled Cluster CCSD(T)=FULL         0.0373           0.0608 0.0139 0.1786 0.0726 0.0369 0.1636 0.0931
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ

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