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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 NS- atoms 1 and 2

For NS- (nitrogen sulfide anion)
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 0.0001 -0.0001 0.0004 0.0000 0.0005 0.0018 0.0017 0.0043 0.0011 0.0046 0.0007 0.0014 0.0041 0.0027 0.0026 0.0063 0.0033
MP3=FULL         -0.0031   0.0114                    
MP4=FULL   0.0000     0.0021       0.0013     0.0021 0.0046   0.0027 0.0063  
Coupled Cluster CCSD=FULL         0.0023           0.0009 0.0019 0.0050 0.0034 0.0028 0.0067 0.0041
CCSD(T)=FULL         0.0026           0.0008 0.0019 0.0049 0.0034 0.0029 0.0066 0.0040
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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