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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 BO atoms 1 and 2

For BO (boron 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 Def2TZVPP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pCVDZ cc-pCVTZ cc-pCVQZ
Moller Plesset perturbation MP2=FULL -0.0030 0.0001 0.0001 0.0002 -0.0019 0.0012 0.0013 -0.0016 0.0011 0.0051 0.0028 0.0013 -0.0000 0.0006 0.0047 0.0031 0.0021 0.0056 0.0033 0.0009 0.0023 0.0031
MP3=FULL         0.0018   0.0002       0.0026 0.0012 0.0032 0.0006 0.0046         0.0008 0.0020 0.0029
MP4=FULL   0.0001     0.0013       0.0010   0.0028   0.0035 0.0006 0.0051   0.0021 0.0064   0.0008 0.0021 0.0030
B2PLYP=FULL 0.0000 0.0104 0.0000 0.0000 0.0049 0.0004 0.0054 0.0003 0.0003 0.0015 0.0008 0.0004 0.0010 0.0002 -0.0023   0.0006 0.0017   0.0003 0.0007 0.0009
Quadratic configuration interaction QCISD(T)=FULL         0.0013           0.0029   0.0036 0.0006 0.0052   0.0021 0.0064   0.0008 0.0022 0.0031
Coupled Cluster CCSD=FULL         0.0012         0.0053 0.0028 0.0013 0.0034 0.0006 0.0049 0.0031 0.0020 0.0061 0.0033 0.0009 0.0022 0.0031
CCSD(T)=FULL         0.0013           0.0029 0.0013 0.0035 0.0006 0.0051 0.0031 0.0021 0.0063 0.0033 0.0008 0.0022 0.0031
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 Def2TZVPP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pCVDZ cc-pCVTZ cc-pCVQZ

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