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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 BGa atoms 1 and 2

For BGa (Boron Gallium)
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 0.0007 0.0016 0.0023 0.0061 0.0157 0.0157 0.0164 0.0292 0.0292 0.0351 -0.0001 0.0028 0.0169 0.0236 0.0045 0.0195 0.0315
MP3=FULL         0.0136           -0.0044            
MP4=FULL   0.0020     0.0157       0.0326     0.0038 0.0195   0.0058 0.0225  
B2PLYP=FULL   0.0008 0.0009 0.0040 0.0070 0.0070 0.0072 0.0122 0.0122 0.0135 0.0001 0.0011 0.0069   0.0017 0.0078  
Quadratic configuration interaction QCISD(T)=FULL         0.0181             0.0040 0.0190   0.0050 0.0204  
Coupled Cluster CCSD=FULL         0.0164         0.0360 -0.0014 0.0030 0.0181   0.0048 0.0204 0.0295
CCSD(T)=FULL         0.0179           -0.0016 0.0038 0.0188   0.0046 0.0202 0.0291
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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