return to home page 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 > Electron Affinity > Calculated Electron affinity OR Calculated > Energy > Ion > Calculated Electron affinity

Calculated Electron Affininty for OH (Hydroxyl radical)

18 06 04 13 53
Experimental Electron Affinity is 1.827669 ± 0.000044 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 1.890
G3 1.794
G3B3 1.791
G4 1.886
CBS-Q 1.799

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 cc-pV(T+d)Z daug-cc-pVDZ daug-cc-pVTZ
hartree fock HF -8.105 -2.722 -2.722 -1.377 -1.499 -0.990 -0.255 -1.326 -1.329 -1.546   -0.628 -1.699 -0.987 -0.661 -0.211 -0.257 -0.262 -0.987 -0.212 -0.258
density functional LSDA -6.463 -0.812 -0.812 0.771 0.774 0.793 2.724 1.144 1.159 0.763   2.136 0.564 1.660   2.833 2.841   1.660    
BLYP -7.037 -1.719 -1.719 -0.193 -0.208 -0.194 1.820 0.141 0.149 -0.248   1.160 -0.422 0.652   1.940 1.942   0.652 2.009 2.004
B1B95 -6.854 -1.578 -1.578 -0.138 -0.137 -0.297 1.502 -0.092 0.113 -0.185   1.009 -0.358 0.582 1.050 1.620 1.605 1.681     1.627
B3LYP -6.832 -1.512 -1.512 -0.028 -0.059 -0.047 1.750 0.248 0.254 -0.096   1.185 -0.271 0.722 1.160 1.845 1.838 1.845 0.722 1.878 1.865
B3LYPultrafine   -1.512     -0.059 -0.047 1.750 0.248       1.185 -0.271 0.722   1.845 1.838     1.878 1.865
B3PW91 -6.855 -1.452 -1.452 0.001 -0.035 -0.022 1.641 0.256 0.263 -0.067   1.126 -0.236 0.700   1.725 1.712   0.700 1.754 1.735
mPW1PW91 -6.908 -1.483 -1.502 -0.063 -0.090 -0.078 1.556 0.189 0.180 -0.140   1.025 -0.285 0.621   1.623 1.604   0.621 1.651 1.627
M06-2X -6.718 -1.316 -1.316 0.065 0.039 0.051 1.551 0.312 0.321 0.023 1.576 1.192 -0.175 0.790   1.618 1.681     1.628 1.688
PBEPBE -7.041 -1.572 -1.572 -0.072 -0.094 -0.079 1.833 0.228 0.239 -0.127   1.199 -0.293 0.719 1.174 1.952 1.948 1.961 0.719 2.022 2.008
PBEPBEultrafine   -1.572     -0.094 -0.079 1.833 0.227       1.199 -0.293 0.719   1.952 1.948     2.022 2.008
PBE1PBE -7.001 -1.546 -1.546 -0.100 -0.144 -0.285 1.526 0.128 0.136 -0.176   0.999 -0.340 0.571   1.616 1.598     1.645 1.620
HSEh1PBE -7.005 -1.734 -1.561 -0.109 -0.150 -0.139 1.536 0.124 0.131 -0.186   1.007 -0.354 0.341   1.621 1.596     1.647 1.618
TPSSh -6.982 -1.580 -1.580 -0.131 -0.175 -0.165 1.529 0.121 0.122 -0.216   0.990 -0.387 0.554 0.962 1.617 1.598 1.606   1.661 1.637
wB97X-D -6.844 -1.452 -1.452 0.020 -0.005 0.009 1.676 0.259 0.267 -0.038   1.127 -0.314 0.697 1.110 1.746 1.720 1.712   1.767 1.734
B97D3 -6.838 -1.501 -1.501 -0.027 -0.051 -0.038 1.791 0.256 0.264 -0.082 1.795 1.178 -0.247 0.717 1.155 1.900 1.883 1.891   1.963 1.936
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 cc-pV(T+d)Z daug-cc-pVDZ daug-cc-pVTZ
Moller Plesset perturbation MP2 -8.046 -2.054 -2.054 -0.368 -0.205 -0.155 1.661 -0.054 0.029 0.018   1.018 -0.453 0.784 1.380 1.944 2.067 2.132 0.784 1.971 2.084
MP2=FULL -8.045 -2.053 -2.053 -0.366 -0.202 -0.151 1.665 -0.048 0.035 0.022   1.023 -0.449 0.791 1.387 1.948 2.072 2.137 0.791 1.974 2.090
ROMP2 -8.035 -2.047 -2.047 -0.359 -0.206 -0.156 1.661 -0.055 0.026 0.009   1.015 -0.455 0.774   1.941          
MP3         -0.423   1.170         0.630 -0.659 0.451           1.404 1.462
MP3=FULL   -2.132 -2.132 -0.541 -0.421 -0.369 1.172 -0.306 -0.228 -0.200   0.634 -0.657 0.456   1.398 1.462     1.406 1.466
MP4   -2.071     -0.386       -0.126     0.829 -0.614 0.607   1.799 1.934     1.850 1.964
MP4=FULL   -2.071     -0.384       -0.121       -0.611 0.613   1.801 1.938     1.852 1.968
B2PLYP -7.279 -1.752 -1.752 -0.209 -0.194 -0.172 1.632 0.054 0.082 -0.151   1.033 -0.418 0.637   1.795 1.827     1.830 1.853
B2PLYP=FULL -7.279 -1.752 -1.752 -0.208 -0.193 -0.171 1.633 0.056 0.084 -0.149   1.034 -0.417 0.638   1.795 1.828     1.831 1.854
B2PLYP=FULLultrafine -7.279 -1.752 -1.752 -0.208 -0.193 -0.171 1.634 0.056 0.084 -0.149   1.035 -0.417 0.639   1.796 1.829     1.831 1.854
Configuration interaction CID   -2.157 -2.157 -0.581 -0.511     -0.380                       1.281 1.322
CISD     -2.149 -0.580 -0.512     -0.372                       1.318 1.350
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 cc-pV(T+d)Z daug-cc-pVDZ daug-cc-pVTZ
Quadratic configuration interaction QCISD   -2.103 -2.103 -0.503 -0.415 -0.367 1.303 -0.266 -0.195 -0.204   0.704 -0.647 0.480   1.547 1.599   0.480 1.592 1.623
QCISD(T)         -0.402     -0.235       0.768 -0.630 0.552   1.643 1.752   0.552 1.675 1.772
QCISD(T)=FULL         -0.400   1.361           -0.628 0.558 1.123 1.645 1.757 1.811   1.677 1.777
QCISD(TQ)         -0.395   1.330           -0.625 0.543 1.098 1.593 1.691 1.743      
QCISD(TQ)=FULL         -0.393   1.332           -0.623 0.549 1.105 1.595 1.697        
Coupled Cluster CCD   -2.114 -2.114 -0.506 -0.415 -0.364 1.234 -0.278 -0.204 -0.203   0.680 -0.648 0.471   1.458 1.523   0.471 1.470 1.531
CCSD         -0.415         -0.205   0.693 -0.648 0.475 0.999 1.499 1.559 1.603   1.521 1.571
CCSD=FULL         -0.413         -0.201   0.697 -0.646 0.481 1.004 1.501 1.563 1.607   1.523 1.575
CCSD(T)         -0.403 -0.351 1.347 -0.238       0.762 -0.631 0.549 1.111 1.627 1.736 1.791 0.549 1.662 1.757
CCSD(T)=FULL         -0.400             0.766 -0.628 0.555 1.118 1.629 1.741 1.796   1.664 1.761
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 cc-pV(T+d)Z daug-cc-pVDZ 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 -0.774 -0.916 -0.720 -0.841 -0.945 -0.942     -0.652
density functional B3LYP 0.601 0.521 0.698 0.655 0.502 0.500     1.177
PBEPBE                 1.191
wB97X-D 0.590 0.521 0.687 0.651 0.498 0.497      
Moller Plesset perturbation MP2 0.411 0.532 0.557 0.678 0.249 0.258     1.256
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.