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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 LiAl atoms 1 and 2

For LiAl (Lithium Aluminum)
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 daug-cc-pVDZ daug-cc-pVTZ
Moller Plesset perturbation MP2=FULL 0.0063 0.0014 0.0021 0.0027 0.0117 0.0117 0.0096 0.0057 0.0057 0.0357 0.0132 0.0021 0.0101 0.0263 0.0624 0.0147 0.0389 0.0778 0.0159 0.0385
MP3=FULL         0.0111   0.0089       0.0117 0.0007 0.0097 0.0256         0.0157 0.0384
MP4=FULL   0.0013     0.0120       0.0039   0.0119   0.0101 0.0260   0.0148 0.0397   0.0163 0.0392
B2PLYP=FULL 0.0022 0.0005 0.0008 0.0009 0.0040 0.0040 0.0033 0.0020 0.0020 0.0120 0.0044 0.0008 0.0035 0.0085   0.0050 0.0123   0.0054 0.0122
Quadratic configuration interaction QCISD(T)=FULL         0.0117           0.0121   0.0106 0.0268   0.0156 0.0404   0.0172 0.0400
Coupled Cluster CCSD=FULL         0.0110         0.0358 0.0098 0.0002 0.0096 0.0243 0.0619 0.0145 0.0379 0.0769 0.0158 0.0374
CCSD(T)=FULL         0.0117           0.0121 0.0006 0.0105 0.0266 0.0656 0.0156 0.0402 0.0805 0.0171 0.0398
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 daug-cc-pVDZ daug-cc-pVTZ

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