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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 VO atoms 1 and 2

For VO (Vanadium monoxide)
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 0.0004 0.0024 0.0024 0.0019 -0.0542 0.0043 0.0043 -0.0604 0.0035 0.0093 0.0038 0.0054 0.0053 0.0060 0.0086 0.0057 0.0066
MP3=FULL         0.0023   0.0011       -0.0014 0.0032 -0.0001        
MP4=FULL   0.0006     0.0024       0.0029     0.0036 0.0055   0.0067 0.0058  
B2PLYP=FULL -0.0002 0.0006 0.0006 0.0006 0.0029 0.0029 0.0025 0.0002 0.0002 0.0056 0.0017 0.0045 0.0021   0.0063 0.0024  
Quadratic configuration interaction QCISD(T)=FULL         0.0027             0.0059 -0.0030   0.0102 -0.0019  
Coupled Cluster CCSD=FULL         0.0120           0.0097 0.0162 0.0115 0.0135 0.0221 0.0127 0.0156
CCSD(T)=FULL         0.0077           0.0102 0.0123 0.0039 0.0040 0.0210 0.0047 0.0067
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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