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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 PSe atoms 1 and 2

For PSe (Phosphorus monoselenide)
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) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ
Moller Plesset perturbation MP2=FULL 0.0002 -0.0007 0.0014 0.0004 0.0031 0.0031 0.0031 0.0022 0.0022 0.0116 0.0060 -0.0016 0.0016 0.0043 0.0019 0.0014 0.0078 0.0027
MP3=FULL         0.0746   0.0712       0.0842 0.0533 0.0564 0.0795        
MP4=FULL   -0.0009     0.0035       0.0013   0.0053   0.0019 0.0044     0.0085  
B2PLYP=FULL 0.0002 0.0000 0.0004 0.0002 0.0009 0.0009 0.0009 0.0006 0.0006 0.0038 0.0018 -0.0003 0.0004 0.0012   0.0004 0.0021  
Quadratic configuration interaction QCISD(T)=FULL                     0.0061     0.0186   0.0022 0.0081  
Coupled Cluster CCSD=FULL         0.0041         0.0128 0.0063 -0.0015 0.0018 0.0046 0.0015 0.0016 0.0083 0.0027
CCSD(T)=FULL         0.0047           0.0064 -0.0016 0.0022 0.0049        
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ

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