![]() |
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 | G2 | 9.710 |
---|---|---|
G3 | 9.996 | |
G3B3 | 10.002 | |
G4 | 9.984 | |
CBS-Q | 9.933 |
CEP-31G | CEP-31G* | CEP-121G | CEP-121G* | LANL2DZ | SDD | cc-pVTZ-PP | aug-cc-pVTZ-PP | Def2TZVPP | ||
---|---|---|---|---|---|---|---|---|---|---|
hartree fock | HF | 9.080 | 9.092 | 9.218 | 8.709 | 8.707 | ||||
density functional | B3LYP | 10.122 | 10.116 | 10.001 | 10.074 | 9.895 | ||||
PBEPBE | 9.743 | |||||||||
wB97X-D | 10.218 | 10.219 | 10.140 | 10.213 | ||||||
Moller Plesset perturbation | MP2 | 9.549 | 9.572 | 9.438 | 9.534 | 9.581 |