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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 NaLi atoms 1 and 2

For NaLi (lithium sodium)
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 aug-cc-pCVTZ Sadlej_pVTZ daug-cc-pVDZ daug-cc-pVTZ
Moller Plesset perturbation MP2=FULL 0.0239 0.0018 0.0065 0.0034 0.0103 0.0103 0.0109 0.0286 0.0286 0.1521 0.0678 0.0142 0.0131 0.0530 0.1347 0.0262 0.0672 0.1228   0.0705 0.0252 0.0616
MP3=FULL         -0.0116   0.0043                       0.0548      
MP4=FULL                                     0.0558      
B2PLYP=FULL 0.0073 0.0005 0.0019 0.0010 0.0034 0.0034 0.0036 0.0101 0.0101 0.0487 0.0229 0.0042 0.0055 0.0180   0.0101 0.0232   0.0197   0.0099 0.0214
Quadratic configuration interaction QCISD(T)=FULL         0.0085   0.0087       0.0615   0.0138 0.0546   0.0271 0.0733   0.0497   0.0266 0.0665
Coupled Cluster CCSD=FULL         0.0081         0.1645 0.0566 0.0077 0.0130 0.0521 0.1368 0.0261 0.0692 0.1206 0.0450   0.0251 0.0628
CCSD(T)=FULL         0.0085           0.0610 0.0076 0.0133 0.0550 0.1414 0.0272 0.0732 0.1231 0.0495   0.0265 0.0662
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 aug-cc-pCVTZ Sadlej_pVTZ daug-cc-pVDZ daug-cc-pVTZ

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