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Calculated Ionization Energy for SOH (Sulfur Hydroxide)

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 AM1  
PM3  
PM6  
composite G2 9.466
G3 9.459
G3B3 9.464
G4 9.489
CBS-Q 9.428

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 cc-pV(T+d)Z daug-cc-pVDZ daug-cc-pVTZ
hartree fock HF 5.819 8.837 8.376 9.041 8.492 8.468 8.546 8.488 8.495 8.352 8.407 8.549 8.549 8.407 8.395 8.606 8.441 8.408 8.366 8.585 8.437
ROHF   8.919 8.467 9.222 8.585 8.562 8.655 8.580 8.587   8.485 8.637 8.630 8.486 8.472 8.687 8.518 8.484 8.444 8.666 8.514
density functional LSDA                                     9.920    
BLYP 6.238 9.353 9.060 9.580 9.259 9.247 9.419 9.332 9.345 9.157 9.330 9.402 9.240 9.295   9.453 9.365   9.258 9.447 9.362
B1B95 6.585 9.154 9.154 9.726 9.336 9.336 9.431 9.361 9.374 9.230   9.424 9.355 9.319   9.480 9.365   9.280   9.362
B3LYP 6.574 9.617 9.277 9.842 9.471 9.456 9.596 9.514 9.527 9.358 9.494 9.588 9.471 9.475 9.479 9.638 9.530 9.502 9.435 9.629 9.527
B3LYPultrafine   9.617     9.471 9.456 9.596 9.514   9.358 9.494 9.588 9.471 9.475   9.638 9.530   9.435 9.629 9.527
B3PW91 6.637 9.649 9.296 9.844 9.462 9.446 9.554 9.488 9.501 9.350 9.453 9.549 9.488 9.444   9.600 9.484   9.404 9.585 9.481
mPW1PW91 6.631 9.631 9.268 9.832 9.434 9.417 9.526 9.462 9.474 9.319 9.424 9.516 9.458 9.407   9.571 9.451   9.367 9.556 9.449
M06-2X 6.628 9.644 9.276 9.875 9.478 9.459 9.567 9.501 9.511 9.361 9.470 9.566 9.480 9.470   9.605 9.513   9.433 9.593 9.508
PBEPBE 6.350 9.472 9.163 9.679 9.343 9.330 9.471 9.396 9.410 9.243 9.384 9.453 9.342 9.351   9.508 9.413   9.314 9.497 9.410
PBEPBEultrafine   9.472     9.343 9.330 9.471 9.396   9.243 9.384 9.453 9.342 9.351   9.508 9.413   9.314 9.497 9.410
PBE1PBE 6.549 9.228 9.228 9.796 9.398 9.398 9.491 9.423 9.436 9.285 9.388 9.482 9.419 9.371   9.535 9.418   9.332 9.520 9.415
HSEh1PBE 6.546 9.588 9.226 9.792 9.395 9.378 9.491 9.423 9.436 9.281 9.388 9.484 9.416 9.373   9.534 9.418   9.333 9.521 9.415
TPSSh 6.526 9.587 9.254 9.777 9.405 9.389 9.500 9.451 9.460 9.297 9.412 9.496 9.421 9.389 9.385 9.535 9.435 9.407 9.352 9.520 9.433
wB97X-D 6.685 9.684 9.312 9.866 9.468 9.452 9.560 9.488 9.500 9.352 9.451 9.544 9.509 9.436 9.430 9.623 9.473 9.448 9.394 9.606 9.469
B97D3 6.463 9.439 9.134 9.631 9.287 9.273 9.407 9.338 9.350 9.181 9.317 9.389 9.301 9.283 9.292 9.451 9.338 9.317 9.246 9.437 9.336
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 5.521 8.889 8.691 9.161 8.916 8.926 9.072 8.923 8.979 9.139 9.279 9.113 9.042 9.269 9.378 9.318 9.378 9.424 9.232 9.306 9.379
MP2=FULL 5.516 8.890 8.690 9.161 8.911 8.921 9.066 8.925 8.981 9.129 9.283 9.111 9.042 9.264 9.378 9.314 9.366 9.421 9.232 9.300 9.363
ROMP2 5.494 8.670 8.670 9.176 8.894 8.904 9.048 8.901 8.957 9.117 9.257 9.092 9.026 9.246   9.304     9.209 9.291 9.357
MP3         8.965   9.096       9.334 9.144 9.104 9.338         9.302 9.345 9.434
MP3=FULL   9.003 8.769 9.259 8.956 8.964 9.087 8.966 9.016 9.207 9.326 9.137 9.100 9.325   9.350 9.414   9.288 9.335 9.410
MP4   8.914     8.917       8.985   9.358 9.115 9.049 9.339   9.356 9.459   9.306 9.345 9.460
MP4=FULL   8.913     8.909       8.983   9.353   9.045 9.329   9.349     9.296 9.336  
B2PLYP 6.120 9.313 9.025 9.549 9.228 9.221 9.362 9.256 9.282 9.228 9.363 9.368 9.271 9.342   9.477 9.418   9.304 9.467 9.416
B2PLYP=FULL 6.118 9.313 9.025 9.549 9.227 9.219 9.360 9.256 9.283 9.224 9.364 9.367 9.271 9.340   9.476 9.414   9.304 9.465 9.411
B2PLYP=FULLultrafine 6.118 9.313 9.025 9.549 9.227 9.219 9.360 9.256 9.283 9.224 9.364 9.367 9.271 9.340   9.476 9.414   9.304 9.465 9.411
Configuration interaction CID   8.983 8.709 9.230 8.875     8.878     9.135   8.997 9.143         9.105 9.186 9.221
CISD   8.945 8.676 9.184 8.852     8.858     9.118   8.975 9.123         9.086 9.168 9.202
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   8.928 8.720 9.150 8.919 8.926 9.060 8.934 8.981 9.180 9.298 9.103 9.053 9.293   9.318 9.392   9.259 9.306 9.392
QCISD(T)         8.918     8.934     9.338 9.106 9.048 9.323   9.343 9.438   9.290 9.332 9.438
QCISD(T)=FULL         8.911   9.061       9.333   9.044 9.313 9.432 9.336   9.471 9.280 9.323  
Coupled Cluster CCD   9.008 8.770 9.265 8.962 8.968 9.097 8.970 9.015 9.217 9.329 9.142 9.095 9.331   9.348 9.426   9.295 9.335 9.427
CCSD         8.932 8.939 9.071 8.945 8.992 9.191 9.306 9.114 9.066 9.303 9.402 9.328 9.401   9.268 9.315  
CCSD=FULL         8.924         9.174 9.300 9.108 9.063 9.292 9.394 9.320 9.382 9.427 9.257 9.306 9.379
CCSD(T)         8.924 8.934 9.074 8.940 8.990 9.209 9.343 9.112 9.053 9.328 9.444 9.347   9.486 9.295 9.336 9.443
CCSD(T)=FULL         8.916           9.337 9.106 9.050 9.318 9.437 9.340 9.424 9.476 9.285 9.328  
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

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 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
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.