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 |
composite | G4 | 15.598 |
---|
CEP-31G | CEP-31G* | CEP-121G | CEP-121G* | LANL2DZ | SDD | cc-pVTZ-PP | aug-cc-pVTZ-PP | Def2TZVPP | ||
---|---|---|---|---|---|---|---|---|---|---|
hartree fock | HF | 13.761 | 13.867 | 13.736 | 13.862 | 13.690 | 13.683 | 13.827 | ||
density functional | B3LYP | 15.302 | 14.997 | 15.288 | 15.035 | 15.338 | 15.321 | 15.101 | ||
PBEPBE | 14.351 | |||||||||
Moller Plesset perturbation | MP2 | 14.827 | 15.360 | 15.885 | 15.408 | 14.842 | 15.853 | 15.651 |