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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 HF atoms 1 and 2

For HF (Hydrogen fluoride)
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) 6-311+G(3df,2pd) TZVP 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 -0.0000 0.0000 0.0000 0.0000 0.0001 0.0004 0.0003 -0.0003 0.0004 0.0005 0.0006 0.0011 -0.0001 0.0005 0.0010 0.0011 0.0003 0.0016 0.0010 0.0003 0.0005 0.0006
MP3=FULL         0.0010   0.0007           0.0001 0.0003 0.0010              
MP4=FULL 0.0000 0.0000 0.0000 0.0000 0.0001 0.0004 0.0003 0.0002 0.0004 0.0005 0.0008 0.0011 0.0001 0.0003 0.0011 0.0011 0.0002 0.0018 0.0010      
B2PLYP=FULL -0.0000 0.0088 0.0000 0.0000 0.0009 0.0001 0.0014 0.0001 0.0001 -0.0003     0.0000 0.0001 -0.0004   0.0001 -0.0004        
Quadratic configuration interaction QCISD(T)=FULL         0.0001   0.0003             0.0003 0.0011 0.0011 0.0003 0.0018 0.0010      
Coupled Cluster CCSD=FULL 0.0000 0.0000 0.0000 0.0000 0.0001 0.0000 -0.0001 0.0000 0.0004 0.0005 0.0008 0.0011 0.0001 -0.0001 0.0010 0.0011 0.0003 0.0017 0.0010      
CCSD(T)=FULL 0.0000 0.0000 0.0000 0.0000 0.0001 0.0004 0.0003 0.0002 0.0004 0.0003 0.0010 0.0011 0.0001 0.0003 0.0011 0.0011 0.0003 0.0018 0.0010 0.0003 0.0005 0.0006
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) 6-311+G(3df,2pd) TZVP 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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