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Calculated Ionization Energy for SeO (Selenium monoxide)

20 09 09 14 00
Please note! These calculated ionizataion energies have the vibrational zero-point energy (zpe) included, but the zpe has NOT been scaled. Click on an entry for more details, including the ionization energy with a scaled zpe.
Original data displayed. Press to display differences.
Differences displayed. Press to display original data.

Ionization Energies in eV
Methods with predefined basis sets
semi-empirical PM3  
composite G2 9.937
G3B3 10.032
G4 10.022
CBS-Q 10.105

Ionization Energies in eV
Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ daug-cc-pVTZ
hartree fock HF 8.121 10.238 10.063 10.742 8.360 10.082 10.172 10.078 10.078 9.998   10.096 10.070 10.026 10.048 10.183 10.077 10.061 10.075
density functional LSDA 8.324 3.780 10.357 10.809 10.500 10.500   10.583 10.583 10.460           10.678      
BLYP 7.633 9.534 9.615 10.073 9.780 9.780 9.974 9.880 9.880 9.738     9.780 9.865          
B1B95 7.902   10.150 10.710 10.076 10.287 9.244 10.282 10.282 10.209     10.231 10.069     10.124    
B3LYP 8.125 10.000 10.035 10.526 10.158 10.158 10.313 10.227 10.227 10.101   10.266 10.158 10.199 10.230 10.334 10.260 10.250  
B3LYPultrafine         10.159                       10.260    
B3PW91 8.247 10.109 10.129 10.604 10.221 10.221 10.340 10.263 10.263 10.160     10.222 10.230          
mPW1PW91 8.280 10.151 10.159 10.643 10.243 10.243 10.364 10.284 10.284 10.180     10.242 10.250          
M06-2X     10.090   10.242                            
PBEPBE     9.794 10.239 9.933 9.933 10.098 10.007 10.007 9.888     9.930 9.986          
PBE1PBE         10.208                            
HSEh1PBE   10.087     10.192   10.316             10.201          
TPSSh         10.118   10.238     10.056       10.139          
wB97X-D     10.082   10.156   10.272   10.174     10.194 69.232 10.130     10.176    
B97D3   9.856     10.006   10.145   10.082   10.117 10.112   10.060     10.115    
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ daug-cc-pVTZ
Moller Plesset perturbation MP2 7.194 8.107 9.119   9.359 9.359 9.510 9.359 9.359 9.483   9.428 9.310 9.588   9.590 9.699    
MP2=FULL 7.190 8.105 9.115   9.364 9.364 9.514 9.393 9.393 9.492     9.305 9.575          
MP3         9.877                            
MP3=FULL         9.875   9.994                        
MP4   9.993     9.288       9.280         9.545          
B2PLYP         10.009                 9.902          
Configuration interaction CID   9.301 9.624   9.793     9.794                      
CISD   9.309 9.567 9.897 9.770     9.775                      
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ daug-cc-pVTZ
Quadratic configuration interaction QCISD   9.153 9.293 9.720 9.609 9.609 9.775 9.633 9.633 9.799     9.552 9.889          
QCISD(T)         9.545               9.478 9.805   9.811 9.937    
Coupled Cluster CCD   9.127 9.511 9.733 9.711 9.711 9.845 9.718 9.718 9.858     9.662 9.958   9.934      
CCSD         9.684                            
CCSD(T)                         9.495 9.823   9.822 9.951    
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ daug-cc-pVTZ

Ionization Energies in eV
Methods with effective core potentials (select basis sets)
CEP-31G CEP-31G* CEP-121G CEP-121G* LANL2DZ SDD cc-pVTZ-PP aug-cc-pVTZ-PP Def2TZVPP
hartree fock HF 10.949   10.944   10.939 10.905     10.049
density functional B3LYP 10.798   10.796   10.736 10.722     10.230
PBEPBE                 10.020
Moller Plesset perturbation MP2 8.801   8.784   8.697 8.658     9.623
For descriptions of the methods (AM1, HF, MP2, ...) and basis sets (3-21G, 3-21G*, 6-31G, ...) see the glossary in section I.C. Predefined means the basis set used is determined by the method.