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Calculated Ionization Energy for GeH3 (Germyl radical)

20 09 09 14 00
Experimental Ionization Energy is 7.948 ± 0.005 eV
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 7.917
G3 8.080
G3B3 8.076
G4 8.074
CBS-Q 7.969

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-pVDZ daug-cc-pVTZ
hartree fock HF 5.416 7.382 7.442 7.546 7.509 7.475 7.472 7.462 7.432 7.482 7.449 7.448 7.453 7.451 7.450 7.439 7.450 7.451 7.440 7.450
ROHF   7.360 7.403 7.522 7.470 7.435 7.469 7.420 7.387   7.398 7.404 7.410 7.400 7.399 7.394 7.398 7.398 7.394 7.399
density functional LSDA 7.083   8.502 8.533 8.552 8.545 8.555 8.553 8.546 8.534   8.553 8.531 8.551   8.546 8.548      
BLYP 6.424 7.700 7.837 7.867 7.886 7.867 7.890 7.914 7.900 7.863 7.901 7.897 7.872 7.896   7.907 7.896   7.906 7.897
B1B95 6.396 7.857 7.857 7.926 7.920 7.920 7.905 7.905 7.885 7.891 7.884 7.888 7.884 7.878   7.888 7.877     7.877
B3LYP 6.473 7.889 8.011 8.059 8.063 8.044 8.057 8.071 8.054 8.040 8.055 8.058 8.042 8.054 8.051 8.060 8.052 8.051 8.059 8.053
B3LYPultrafine   7.889     8.063 8.044 8.057 8.071   8.040 8.055 8.058 8.042 8.054   8.060 8.052   8.059 8.053
B3PW91 6.559 7.953 8.065 8.111 8.111 8.095 8.100 8.096 8.078 8.082 8.080 8.083 8.074 8.080   8.077 8.079   8.077 8.080
mPW1PW91 6.518 7.944 8.051 8.101 8.100 8.083 8.088 8.088 8.068 8.069 8.069 8.068 8.060 8.069   8.063 8.069   8.063 8.070
M06-2X 6.456 7.917 7.979 8.102 8.051 8.024 8.025 8.005 7.967 8.020 7.981 7.976 7.979 7.975   7.972 7.974   7.973 7.975
PBEPBE 6.608 7.861 7.985 8.015 8.032 8.016 8.031 8.036 8.020 8.002 8.021 8.018 8.004 8.016   8.023 8.016   8.023 8.017
PBEPBEultrafine   7.861     8.032 8.016 8.031 8.036   8.002 8.021 8.018 8.004 8.016   8.023 8.016   8.023 8.017
PBE1PBE 6.470 8.017 8.017 8.070 8.069 8.069 8.056 8.053 8.032 8.037 8.034 8.036 8.031 8.033   8.033 8.031   8.033 8.032
HSEh1PBE 6.474 7.909 8.019 8.067 8.067 8.049 8.055 8.052 8.034 8.038 8.036 8.038 8.031 8.037   8.033 8.035   8.035 8.036
TPSSh 6.595 7.916 8.024 8.072 8.077 8.059 8.064 8.060 8.038 8.038 8.039 8.032 8.035 8.038 8.034 8.035 8.038 8.033 8.035 8.039
wB97X-D 6.406 7.792 7.878 7.926 7.910 7.896 7.900 7.896 7.884 7.893 7.885 7.894 7.877 7.881 7.883 7.879 7.881 7.884 7.879 7.882
B97D3 6.413 7.759 7.899 7.966 7.957 7.943 7.954 7.971 7.957 7.939 7.965 7.948 7.928 7.965 7.963 7.954 7.971 7.968 7.955 7.973
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-pVDZ daug-cc-pVTZ
Moller Plesset perturbation MP2 5.342 7.419 7.657 7.593 7.703 7.729 7.730 7.669 7.728 7.777 7.808 7.776 7.756 7.873 7.901 7.787 7.894 7.909 7.793 7.901
MP2=FULL 5.340 7.416 7.657 7.582 7.720 7.746 7.746 7.708 7.769 7.811 7.864 7.768 7.755 7.870 7.870 7.786 7.889 7.875 7.794 7.902
ROMP2 5.331 7.652 7.652 7.585 7.694 7.721 7.722 7.659 7.719 7.768 7.800 7.771 7.752 7.870   7.782     7.788 7.897
MP3         7.736   7.391                          
MP3=FULL         7.744   7.777                          
MP4   7.438     7.754       7.790         7.943            
B2PLYP 5.983 7.670 7.832 7.844 7.883 7.877 7.884 7.873 7.878 7.892 7.908 7.900 7.885 7.932   7.906 7.937   7.907 7.940
B2PLYP=FULL 5.983 7.670 7.832 7.841 7.891 7.884 7.892 7.890 7.895 7.906 7.929 7.898 7.884 7.931   7.906 7.936   7.908 7.939
B2PLYP=FULLultrafine 5.983 7.670 7.832 7.841 7.891 7.884 7.892 7.890 7.895 7.906 7.929 7.898 7.884 7.931   7.906 7.936   7.908 7.939
Configuration interaction CID   7.435 7.666 7.613 7.721     7.688     7.815   7.754 7.836         7.792 7.855
CISD   7.437 7.678 7.615 7.734     7.701     7.824   7.759 7.847         7.800 7.867
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-pVDZ daug-cc-pVTZ
Quadratic configuration interaction QCISD   7.447 7.707 7.625 7.757 7.777 7.779 7.726 7.777 7.828 7.865 7.812 7.795 7.915   7.839 7.934   7.846 7.940
QCISD(T)         7.771     7.744     7.895 7.832 7.812 7.949   7.865 7.973   7.872 7.979
QCISD(T)=FULL         7.783   7.805       7.939   7.810 7.942 7.951 7.863 7.963 7.954 7.872  
Coupled Cluster CCD   7.443 7.688 7.622 7.740 7.767 7.768 7.708 7.767 7.812 7.850 7.798 7.785 7.893   7.826 7.911   7.833 7.917
CCSD         7.755 7.775 7.777 7.724 7.776 7.826 7.863 7.810 7.793 7.912 7.937 7.837 7.931 7.942 7.844 7.938
CCSD=FULL         7.766         7.854 7.902 7.798 7.791 7.905 7.906 7.835 7.921   7.843 7.933
CCSD(T)         7.771 7.791 7.794 7.743 7.797 7.851 7.895 7.832 7.812 7.948 7.979 7.864 7.972 7.986 7.873 7.978
CCSD(T)=FULL         7.782           7.938 7.819 7.810 7.942 7.950 7.862 7.962   7.871 7.974
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-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 7.440   7.461   7.634 7.461 7.438   7.459
ROHF                 7.409
density functional LSDA             8.517    
BLYP             7.873   7.900
B1B95             7.852   7.888
B3LYP 8.016   8.039   8.151 8.035 8.032   8.060
B3LYPultrafine             8.032   8.060
B3PW91             8.052   8.084
mPW1PW91             8.043   8.068
M06-2X             7.942   7.979
PBEPBE             7.985   8.020
PBEPBEultrafine             7.985   8.020
PBE1PBE             8.006   8.037
HSEh1PBE             8.011   8.040
TPSSh             8.009   8.031
wB97X-D 7.914   7.931   8.085 7.938 7.861   7.891
B97D3             7.933   7.956
Moller Plesset perturbation MP2 7.474   7.502   7.654 7.492 7.859   7.886
MP2=FULL             7.849   7.879
ROMP2                 7.882
MP3             7.892    
MP3=FULL             7.880    
MP4             7.929    
MP4=FULL             7.920    
B2PLYP             7.914   7.941
B2PLYP=FULL             7.910   7.938
B2PLYP=FULLultrafine             7.910   7.938
Configuration interaction CID                 7.835
CISD             7.833   7.846
Quadratic configuration interaction QCISD             7.899   7.925
QCISD(T)             7.935   7.958
QCISD(T)=FULL             7.923   7.947
Coupled Cluster CCD             7.878   7.901
CCSD             7.897   7.922
CCSD=FULL             7.885   7.910
CCSD(T)                 7.958
CCSD(T)=FULL             7.922   7.946
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.