| |
Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
| You are here: Home > Ions > Energy > Calculated Ionization Energy OR Calculated > Energy > Ion > Calculated Ionization Energy | |
| semi-empirical | AM1 | |
|---|---|---|
| PM3 | ||
| PM6 | ||
| composite | G2 | 12.700 |
| G3 | 12.704 | |
| G3B3 | 12.703 | |
| G3MP2 | 12.706 | |
| G4 | 12.713 | |
| CBS-Q | 12.759 |
| CEP-31G | CEP-31G* | CEP-121G | CEP-121G* | LANL2DZ | SDD | cc-pVTZ-PP | aug-cc-pVTZ-PP | Def2TZVPP | ||
|---|---|---|---|---|---|---|---|---|---|---|
| hartree fock | HF | 11.790 | 11.578 | 11.719 | 11.531 | 11.923 | 11.737 | 11.489 | ||
| density functional | BLYP | 12.516 | ||||||||
| B1B95 | 12.640 | |||||||||
| B3LYP | 12.778 | 12.669 | 12.699 | 12.616 | 12.852 | 12.745 | 12.702 | |||
| B3LYPultrafine | 12.702 | |||||||||
| B3PW91 | 12.703 | |||||||||
| mPW1PW91 | 12.662 | |||||||||
| M06-2X | 12.737 | |||||||||
| PBEPBE | 12.632 | |||||||||
| PBEPBEultrafine | 12.632 | |||||||||
| PBE1PBE | 12.636 | |||||||||
| HSEh1PBE | 12.630 | |||||||||
| TPSSh | 12.620 | |||||||||
| wB97X-D | 12.784 | 12.673 | 12.708 | 12.624 | 12.941 | 12.846 | 12.706 | |||
| B97D3 | 12.586 | |||||||||
| Moller Plesset perturbation | MP2 | 12.114 | 12.297 | 12.097 | 12.289 | 12.201 | 12.087 | 12.640 | ||
| MP2=FULL | 12.658 | |||||||||
| B2PLYP | 12.609 | |||||||||
| B2PLYP=FULL | 12.614 | |||||||||
| B2PLYP=FULLultrafine | 12.614 | |||||||||
| Configuration interaction | CID | 12.408 | ||||||||
| CISD | 12.396 | |||||||||
| Quadratic configuration interaction | QCISD | 12.500 | ||||||||
| QCISD(T) | 12.553 | |||||||||
| QCISD(T)=FULL | 12.559 | |||||||||
| Coupled Cluster | CCD | 12.514 | ||||||||
| CCSD | 12.500 | |||||||||
| CCSD=FULL | 12.505 | |||||||||
| CCSD(T) | 12.553 | |||||||||
| CCSD(T)=FULL | 12.559 |