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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 | 9.466 |
G3 | 9.459 | |
G3B3 | 9.464 | |
G4 | 9.489 | |
CBS-Q | 9.428 |
CEP-31G | CEP-31G* | CEP-121G | CEP-121G* | LANL2DZ | SDD | cc-pVTZ-PP | aug-cc-pVTZ-PP | Def2TZVPP | ||
---|---|---|---|---|---|---|---|---|---|---|
hartree fock | HF | 9.176 | 8.600 | 9.069 | 8.529 | 9.137 | 9.034 | 8.378 | ||
ROHF | 8.456 | |||||||||
density functional | BLYP | 9.280 | ||||||||
B1B95 | 9.295 | |||||||||
B3LYP | 9.944 | 9.561 | 9.858 | 9.498 | 9.891 | 9.819 | 9.454 | |||
B3LYPultrafine | 9.454 | |||||||||
B3PW91 | 9.417 | |||||||||
mPW1PW91 | 9.381 | |||||||||
M06-2X | 9.433 | |||||||||
PBEPBE | 9.334 | |||||||||
PBEPBEultrafine | 9.334 | |||||||||
PBE1PBE | 9.347 | |||||||||
HSEh1PBE | 9.349 | |||||||||
TPSSh | 9.367 | |||||||||
wB97X-D | 9.930 | 9.520 | 9.854 | 9.464 | 9.930 | 9.875 | 9.408 | |||
B97D3 | 9.266 | |||||||||
Moller Plesset perturbation | MP2 | 9.274 | 9.085 | 9.233 | 9.059 | 9.224 | 9.173 | 9.260 | ||
MP2=FULL | 9.266 | |||||||||
ROMP2 | 9.239 | |||||||||
MP3 | 9.323 | |||||||||
MP3=FULL | 9.316 | |||||||||
MP4=FULL | 9.330 | |||||||||
B2PLYP | 9.327 | |||||||||
B2PLYP=FULL | 9.328 | |||||||||
B2PLYP=FULLultrafine | 9.328 | |||||||||
Configuration interaction | CID | 9.125 | ||||||||
CISD | 9.106 | |||||||||
Quadratic configuration interaction | QCISD | 9.282 | ||||||||
QCISD(T) | 9.315 | |||||||||
QCISD(T)=FULL | 9.312 | |||||||||
Coupled Cluster | CCD | 9.318 | ||||||||
CCSD | 9.292 | |||||||||
CCSD=FULL | 9.286 | |||||||||
CCSD(T) | 9.320 | |||||||||
CCSD(T)=FULL | 9.316 |