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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 ScH atoms 1 and 2

For ScH (Scandium monohydride)
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 -0.0011 -0.0097 -0.0097 -0.0102 0.0047 0.0162 0.0186 0.0057 0.0181 0.0191 0.0136 0.0130 0.0332 0.0477 0.0516 0.0557 0.0519
MP3=FULL         0.0030   0.0145       0.0097 0.0101 0.0283        
MP4=FULL   -0.0112     0.0032       0.0153     0.0112 0.0279   0.0532 0.0506  
B2PLYP=FULL -0.0004 -0.0018 -0.0018 -0.0018 0.0017 0.0048 0.0050 0.0036 0.0055 0.0052 0.0053 0.0047 0.0090   0.0178 0.0157  
Quadratic configuration interaction QCISD(T)=FULL         0.0036             0.0148 0.0286   0.0580 0.0516  
Coupled Cluster CCSD=FULL         0.0104           0.0162 0.0174 0.0319 0.0428 0.0578   0.0469
CCSD(T)=FULL         0.0037           0.0141 0.0148 0.0285 0.0389 0.0580 0.0515 0.0433
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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