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Calculated Electron Affininty for OClO (Chlorine dioxide)

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Experimental Electron Affinity is 2.14 ± 0.008 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 2.371
G3 2.309
G3B3 2.228
G4 2.245
CBS-Q 2.247

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 -0.290 3.295 1.432 3.955 1.485 1.485 2.079 1.687 1.687 0.947 1.451 2.044 1.584 1.303 1.355 2.100 1.626 1.506 1.618
ROHF   3.421 1.623 4.135 1.731 1.731 2.338   1.936   1.757 2.310 1.835 1.603 1.664 2.398 1.936 1.818  
density functional LSDA -3.273 6.061 0.833 2.595 1.649 1.649 2.665 2.024 2.024 1.452     1.604 2.038   2.743      
BLYP -3.643 0.778 0.266 1.926 1.052 1.052 2.180 1.465 1.465 0.848 1.921 1.967 1.012 1.451   2.242 2.057    
B1B95 -2.557 0.744 0.744 2.619 1.361 1.361 2.215 1.643 1.643 1.100 1.894 2.086 1.359 1.570   2.279 2.028    
B3LYP -2.674 1.510 0.799 2.612 1.486 1.486 2.460 1.827 1.827 1.225 2.138 2.306 1.469 1.766 1.934 2.517 2.280 2.202  
B3LYPultrafine   1.510     1.486 1.486 2.460 1.827   1.225 2.138 2.305 1.468 1.766   2.517 2.280    
B3PW91 -2.695 1.561 0.831 2.627 1.469 1.469 2.322 1.764 1.764 1.208 2.006 2.196 1.463 1.692   2.381 2.138    
mPW1PW91 -2.527 1.660 0.871 2.712 1.483 1.483 2.328 1.765 1.765 1.207 1.991 2.189 1.482 1.676   2.386 2.126    
M06-2X -1.886 2.118 1.239 3.143 1.776 1.776 2.562 2.079 2.079 1.458 2.231 2.541 1.756 2.006   2.582 2.417    
PBEPBE -3.653 0.884 0.339 2.003 1.075 1.075 2.104 1.433 1.433 0.879 1.854 1.903 1.049 1.417   2.176 1.985    
PBEPBEultrafine   0.884     1.075 1.075 2.104 1.432   0.879 1.854 1.903 1.048 1.417   2.176 1.985    
PBE1PBE -2.654 0.798 0.798 2.651 1.418 1.418 2.274 1.699 1.699 1.150 1.945 2.136 1.417 1.619   2.337 2.082    
HSEh1PBE -2.661 1.575 0.790 2.642 1.418 1.418 2.285 1.706 1.706 1.147 1.954 2.150 1.413 1.626   2.345 2.089    
TPSSh -3.098 1.336 0.693 2.391 1.325 1.325 2.206 1.635 1.635 1.075 1.906 2.055 1.311 1.563 1.709 2.260 2.029 1.960  
wB97X-D -2.303 1.813 0.936 2.863 1.560 1.560 2.414 1.830 1.830 1.270 2.053 2.269 2.091 1.734 1.871 2.466 2.181 2.091  
B97D3 -3.312 1.034 0.465 2.099 1.148 1.148 2.118 1.482 1.482 0.933 1.849 1.927 1.127 1.442 1.615 2.185 1.970 1.902 1.969
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 -2.013 0.935 0.048 2.034 0.977 0.977 1.941 1.140 1.140 0.988 1.976 1.722 0.915 1.459 1.795 2.190 2.113 2.118  
MP2=FULL -2.014 0.933 0.044 2.032 0.966 0.966 1.931 1.136 1.136 0.975 2.034 1.718 0.910 1.448 1.795 2.180 2.097 2.115  
ROMP2   -0.115 -0.115 1.888 0.758 0.758 1.692 0.920 0.920 0.729   1.466 0.691 1.189   1.896      
MP3         1.473   2.713                        
MP3=FULL         1.457   2.287                        
MP4         1.000                 1.445          
B2PLYP   1.143 2.383 2.246 1.231 1.231 2.205 1.501 1.501 1.064 1.989 2.011 1.198 1.562   2.328 2.138    
B2PLYP=FULL   1.142 2.063 2.246 1.227 1.227 2.201 1.500 1.500 1.057 1.986 2.009 1.196 1.558   2.325 2.132    
B2PLYP=FULLultrafine   1.143 2.063 2.246 1.227 1.227 2.201 1.500 1.500 1.057 1.986 2.009 1.196 1.558   2.325 2.133    
Configuration interaction CID   1.852 0.816 2.875 1.441     1.605     1.898   1.442 1.790          
CISD   1.715 0.757 2.776 1.405     1.570     1.870   1.403            
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     0.540 2.291 1.359 1.359 2.273 1.550 1.550 1.262 2.062 2.058 1.332 1.695   2.490      
QCISD(T)         1.216     1.399     2.040 1.911 1.165 1.595   2.394 2.240    
QCISD(T)=FULL         1.202   2.144       2.021   1.158 1.576 1.891 2.381 2.216 2.199  
Coupled Cluster CCD   1.617 0.691 2.688 1.444 1.444 2.296 1.617 1.617 1.385 2.126 2.140 1.427 1.785   2.507 2.326    
CCSD         1.403 1.403 2.290 1.587 1.587 1.291 2.108 2.097 1.380 1.723 1.985 2.498 2.291 2.254  
CCSD=FULL         1.387         1.263 2.067 2.091 1.371 1.702 1.979 2.484 2.263    
CCSD(T)         1.247 1.247 2.180 1.429 1.429 1.194 2.052 1.945 1.203 1.616 1.921 2.413 2.252 2.229  
CCSD(T)=FULL         1.232           2.030 1.938 1.195 1.597 1.907 2.400 2.228 2.210  
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 4.211 1.953 4.159 1.945 4.390 4.293     1.278
ROHF                 1.580
density functional BLYP                 1.584
B1B95                 1.639
B3LYP 3.109 2.019 3.126 2.063 3.086 3.012     1.856
B3LYPultrafine                 1.856
B3PW91                 1.755
mPW1PW91                 1.733
M06-2X                 2.045
PBEPBE                 1.532
PBEPBEultrafine                 1.532
PBE1PBE                 1.684
HSEh1PBE                 1.698
TPSSh                 1.638
wB97X-D 3.295 2.046 3.314 2.094 3.318 3.252     1.795
B97D3                 1.539
Moller Plesset perturbation MP2 2.564 1.578 2.559 1.632 2.549 2.431     1.618
MP2=FULL                 1.631
ROMP2                 1.365
B2PLYP                 1.677
B2PLYP=FULLultrafine                 1.676
Configuration interaction CID                 1.669
CISD                 1.636
Quadratic configuration interaction QCISD(T)                 1.701
QCISD(T)=FULL                 1.690
Coupled Cluster CCD                 1.866
CCSD                 1.847
CCSD=FULL                 1.798
CCSD(T)                 1.720
CCSD(T)=FULL                 1.708
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.