|   | Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | 
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| composite | G2 | 11.223 | 
|---|---|---|
| G3 | 11.186 | |
| G3B3 | 11.173 | |
| G4 | 11.145 | |
| CBS-Q | 11.185 | 
| CEP-31G | CEP-31G* | CEP-121G | CEP-121G* | LANL2DZ | SDD | cc-pVTZ-PP | aug-cc-pVTZ-PP | Def2TZVPP | ||
|---|---|---|---|---|---|---|---|---|---|---|
| hartree fock | HF | 10.400 | 10.383 | 10.495 | 10.496 | 10.502 | 10.504 | 10.371 | ||
| density functional | BLYP | 10.619 | ||||||||
| B1B95 | 10.840 | |||||||||
| B3LYP | 11.048 | 10.988 | 11.120 | 11.056 | 11.104 | 11.099 | 11.005 | |||
| B3LYPultrafine | 11.005 | |||||||||
| B3PW91 | 10.919 | |||||||||
| mPW1PW91 | 10.920 | |||||||||
| M06-2X | 11.128 | |||||||||
| PBEPBE | 10.609 | |||||||||
| PBEPBEultrafine | 10.609 | |||||||||
| PBE1PBE | 10.853 | |||||||||
| HSEh1PBE | 10.854 | |||||||||
| TPSSh | 10.909 | |||||||||
| wB97X-D | 11.136 | 11.074 | 11.205 | 11.128 | 11.193 | 11.189 | 11.054 | |||
| B97D3 | 10.736 | |||||||||
| Moller Plesset perturbation | MP2 | 10.801 | 10.844 | 10.937 | 10.965 | 10.898 | 10.901 | 11.245 | ||
| MP2=FULL | 11.258 | |||||||||
| MP3 | 11.324 | |||||||||
| MP3=FULL | 11.335 | |||||||||
| MP4 | 11.303 | |||||||||
| MP4=FULL | 11.314 | |||||||||
| B2PLYP | 11.069 | |||||||||
| B2PLYP=FULL | 11.072 | |||||||||
| Configuration interaction | CID | 11.145 | ||||||||
| CISD | 11.130 | |||||||||
| Quadratic configuration interaction | QCISD | 11.244 | ||||||||
| QCISD(T) | 11.262 | |||||||||
| QCISD(T)=FULL | 11.276 | |||||||||
| Coupled Cluster | CCD | 11.280 | ||||||||
| CCSD | 11.248 | |||||||||
| CCSD=FULL | 11.262 | |||||||||
| CCSD(T) | 11.265 | |||||||||
| CCSD(T)=FULL | 11.279 |