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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 SiF atoms 1 and 2

For SiF (silicon monofluoride)
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 cc-pV(T+d)Z cc-pCVTZ aug-cc-pCVTZ
Moller Plesset perturbation MP2=FULL 0.0023 -0.0001 0.0002 -0.0001 -0.0060 0.0007 0.0014 -0.0067 0.0002 0.0057 0.0007 0.0009 0.0021 0.0064 0.0011 0.0054 0.0086 0.0026 0.0022 0.0028
MP3=FULL         0.0051   -0.0102       0.0006 0.0007 0.0019         0.0022 0.0019 0.0025
MP4=FULL   -0.0000     -0.0002       0.0002     0.0011 0.0022   0.0012 0.0061   0.0025 0.0022 0.0029
B2PLYP=FULL -0.0001 0.0124 0.0001 -0.0000 0.0039 0.0002 0.0129 0.0000 0.0001 0.0017 0.0002 0.0003 -0.0068   0.0003 0.0016   0.0007 0.0006 0.0008
Quadratic configuration interaction QCISD(T)=FULL         0.0003             0.0011 0.0022   0.0012 0.0054   0.0026 0.0023 0.0029
Coupled Cluster CCSD=FULL         0.0006         0.0055 0.0007 0.0010 0.0021 0.0063 0.0010 0.0052 0.0083 0.0025 0.0023 0.0029
CCSD(T)=FULL         0.0002           0.0006 0.0011 0.0023 0.0065 0.0014 0.0055 0.0080 0.0026 0.0023 0.0029
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 cc-pV(T+d)Z cc-pCVTZ aug-cc-pCVTZ

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