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Calculated Electron Affininty for SO (Sulfur monoxide)

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Experimental Electron Affinity is 1.125 ± 0.005 eV
Please note! These calculated electron affinity 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

Electron Affinities in eV
Methods with predefined basis sets
composite G2 1.236
G3 1.218
G3B3 1.139
G4 1.197
CBS-Q 1.240

Electron Affinities 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 -5.063 0.774 -0.099 1.219 -0.084 -0.084 0.322 0.144 0.144 -0.337   0.137 -0.170 -0.149 -0.038 0.354 0.155 0.114 0.154
density functional LSDA -5.132 4.037 0.471 1.473 0.956 0.956 1.746 1.315 1.315 0.904     0.827 1.283   1.798 1.735    
BLYP -5.698 0.141 -0.189 0.791 0.278 0.278 1.137 0.669 0.669 0.210     0.134 0.588          
B1B95 -5.207   0.064 1.074 0.415 0.415 1.062 0.694 0.694 0.329     0.314 0.610 0.701 1.111 1.011 0.918  
B3LYP -5.233 0.557 0.147 1.164 0.546 0.546 1.278 0.880 0.880 0.454   1.004 0.420 0.786 0.959 1.322 1.228 1.204  
B3LYPultrafine         0.547                       1.229    
B3PW91 -5.159 0.645 0.221 1.203 0.569 0.569 1.202 0.843 0.843 0.472     0.471 0.765          
mPW1PW91 -5.129 0.669 0.220 1.215 0.551 0.551 1.174 0.818 0.818 0.446     0.454 0.727          
M06-2X     0.248   0.607           1.128                
PBEPBE -5.591 0.301 -0.045 0.915 0.383 0.383 1.159 0.719 0.719 0.314     0.262 0.643          
PBE1PBE         0.512                            
HSEh1PBE   0.618     0.512   1.153             0.696          
TPSSh         0.505   1.147     0.408       0.702          
wB97X-D     0.248   0.583   1.216   0.842     0.968 0.781 0.760     1.142    
B97D3   0.286     0.344   1.093   0.667   0.993 0.804   0.599     1.059   1.086
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 -6.687 -0.444 -0.820 -0.019 -0.333 -0.333 0.446 -0.084 -0.084 0.021   0.168 -0.384 0.346 0.694 0.768 0.915 0.983  
MP2=FULL   -0.445 -0.822 -0.020 -0.334 -0.334 0.445 -0.081 -0.081 0.018     -0.384 0.343 0.697     0.984  
MP3         -0.080                            
MP3=FULL         -0.086   0.592                        
MP4   -0.277     -0.207       0.025         0.409          
B2PLYP         0.250                 0.590          
B2PLYP=FULLultrafine         0.249               0.148 0.588          
Configuration interaction CID   0.071 -0.442 0.573 -0.106     0.127                      
CISD   0.084 -0.411 0.646 -0.077     0.150                      
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   0.047 -0.359 0.715 0.053 0.053 0.725 0.292 0.292 0.258     0.000 0.529          
QCISD(T)         -0.010               -0.082 0.509   1.016 1.059    
Coupled Cluster CCD   -0.021 -0.493 0.486 -0.091 -0.091 0.593 0.155 0.155 0.202     -0.133 0.495   0.901 0.987    
CCSD         0.046                            
CCSD(T)                         -0.076 0.515   1.016 1.060    
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

Electron Affinities 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 1.347 0.102 1.345 0.111 1.120 0.996     -0.138
density functional B3LYP 1.480 0.872 1.485 0.892 1.246 1.137     0.851
PBEPBE                 0.719
Moller Plesset perturbation MP2 0.254 0.072 0.276 0.132 0.009 -0.093     0.473
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.