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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 GeS atoms 1 and 2

For GeS (Germanium monosulfide)
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 0.0019 -0.0002 0.0014 0.0005 0.0054 0.0054 0.0056 0.0088 0.0088 0.0212 -0.0013 0.0016 0.0066 0.0099 0.0020 0.0113 0.0121
MP3=FULL         0.0040   0.0041       -0.0027 0.0011 0.0041        
MP4=FULL   -0.0007     0.0050       0.0068     0.0019 0.0072   0.0024 0.0117  
B2PLYP=FULL 0.0009 -0.0000 0.0005 0.0003 0.0019 0.0019 0.0020 0.0030 0.0030 0.0070 -0.0005 0.0005 0.0020   0.0007 0.0034  
Quadratic configuration interaction QCISD(T)=FULL         0.0047             0.0017 0.0059   0.0021 0.0099  
Coupled Cluster CCSD=FULL         0.0042         0.0173 -0.0018 0.0014 0.0052 0.0075 0.0017 0.0090 0.0095
CCSD(T)=FULL         0.0040           -0.0021 0.0016 0.0055 0.0072 0.0020 0.0095 0.0099
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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