Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
You are here: Comparisons > Geometry > Bonds, angles > Core correlation - bond length |
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 | aug-cc-pCVTZ | Sadlej_pVTZ | daug-cc-pVDZ | daug-cc-pVTZ | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Moller Plesset perturbation | MP2=FULL | 0.0239 | 0.0018 | 0.0065 | 0.0034 | 0.0103 | 0.0103 | 0.0109 | 0.0286 | 0.0286 | 0.1521 | 0.0678 | 0.0142 | 0.0131 | 0.0530 | 0.1347 | 0.0262 | 0.0672 | 0.1228 | 0.0705 | 0.0252 | 0.0616 | |
MP3=FULL | -0.0116 | 0.0043 | 0.0548 | ||||||||||||||||||||
MP4=FULL | 0.0558 | ||||||||||||||||||||||
B2PLYP=FULL | 0.0073 | 0.0005 | 0.0019 | 0.0010 | 0.0034 | 0.0034 | 0.0036 | 0.0101 | 0.0101 | 0.0487 | 0.0229 | 0.0042 | 0.0055 | 0.0180 | 0.0101 | 0.0232 | 0.0197 | 0.0099 | 0.0214 | ||||
Quadratic configuration interaction | QCISD(T)=FULL | 0.0085 | 0.0087 | 0.0615 | 0.0138 | 0.0546 | 0.0271 | 0.0733 | 0.0497 | 0.0266 | 0.0665 | ||||||||||||
Coupled Cluster | CCSD=FULL | 0.0081 | 0.1645 | 0.0566 | 0.0077 | 0.0130 | 0.0521 | 0.1368 | 0.0261 | 0.0692 | 0.1206 | 0.0450 | 0.0251 | 0.0628 | |||||||||
CCSD(T)=FULL | 0.0085 | 0.0610 | 0.0076 | 0.0133 | 0.0550 | 0.1414 | 0.0272 | 0.0732 | 0.1231 | 0.0495 | 0.0265 | 0.0662 | |||||||||||
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 | aug-cc-pCVTZ | Sadlej_pVTZ | daug-cc-pVDZ | daug-cc-pVTZ |