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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 LiB atoms 1 and 2

For LiB (Lithium boride)
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-pCVDZ cc-pCVTZ
Moller Plesset perturbation MP2=FULL 0.0005 0.0007 0.0007 0.0017 -0.0335 0.0071 0.0085 -0.0304 0.0093 0.0326 0.0036 0.0185 0.0248 0.0212 0.0519 0.0277 0.0282 0.0056 0.0127
MP3=FULL         0.0073   0.0087       0.0035 0.0189 0.0268         0.0063 0.0131
MP4=FULL   0.0007     0.0067       0.0096     0.0186 0.0264   0.0621 0.0393   0.0062 0.0124
B2PLYP=FULL 0.0001 0.0002 0.0002 0.0006 0.0023 0.0023 0.0030 0.0030 0.0030 0.0104 0.0012 0.0065 0.0078   0.0171 0.0112   0.0020 0.0039
Quadratic configuration interaction QCISD(T)=FULL         0.0073             0.0184 0.0267   0.0631 0.0396   0.0059 0.0127
Coupled Cluster CCSD=FULL         0.0073           0.0034 0.0190 0.0267 0.0228 0.0621 0.0388 0.0308 0.0058 0.0122
CCSD(T)=FULL         0.0073           0.0035 0.0183 0.0267 0.0237 0.0631 0.0400 0.0317 0.0059 0.0127
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-pCVDZ cc-pCVTZ

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