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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 ClO atoms 1 and 2

For ClO (Monochlorine monoxide)
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 cc-pV(D+d)Z cc-pV(T+d)Z cc-pCVDZ cc-pCVTZ aug-cc-pCVTZ daug-cc-pVDZ daug-cc-pVTZ
Moller Plesset perturbation MP2=FULL 0.0001 0.0001 0.0002 0.0001 0.0022 0.0022 0.0022 0.0008 0.0008 0.0055 0.0034 0.0008 0.0006 0.0034 0.0036 0.0022 0.0048 0.0045 0.0013 0.0038 0.0013 0.0026 0.0027 0.0027 0.0057
MP3=FULL         0.0021   0.0059                       0.0016 0.0038 0.0013 0.0026 0.0028    
MP4=FULL                                     0.0017 0.0044 0.0015 0.0027 0.0028    
B2PLYP=FULL 0.0000 -0.0000 0.0001 0.0000 0.0007 0.0007 0.0006 0.0003 0.0003 0.0015 0.0009 0.0003 0.0004 0.0009   0.0006 0.0012   0.0003 0.0016 0.0004 0.0005 0.0006 0.0008 0.0015
Quadratic configuration interaction QCISD(T)=FULL         0.0024           0.0034   0.0014 0.0034   0.0024 0.0047   0.0017 0.0037 0.0016 0.0024   0.0029 0.0057
Coupled Cluster CCSD=FULL         0.0024         0.0056 0.0038 0.0011 0.0014 0.0036 0.0036 0.0024 0.0048 0.0047 0.0019 0.0040 0.0022 0.0031 0.0033 0.0028 0.0057
CCSD(T)=FULL         0.0023           0.0034 0.0010 0.0014 0.0034 0.0037 0.0024 0.0047 0.0043 0.0017 0.0037 0.0017 0.0025 0.0026 0.0027 0.0056
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 cc-pV(D+d)Z cc-pV(T+d)Z cc-pCVDZ cc-pCVTZ aug-cc-pCVTZ daug-cc-pVDZ daug-cc-pVTZ

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