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Calculated Ionization Energy for Ga (Gallium atom)

20 09 09 14 00
Experimental Ionization Energy is 5.9993 eV
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 PM3  
PM6  
composite G1 5.847
G2MP2 5.862
G2 5.862
G3 6.006
G3B3 6.008
G4 6.025
CBS-Q 5.977

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 2.960 5.300 5.574 5.482 5.579 5.579 5.585 5.564 5.564 5.569 5.568 5.539 5.546 5.556 5.570 5.558 5.559 5.570 5.558 5.559
ROHF   5.298 5.497 5.480 5.498 5.498 5.506 5.484 5.484   5.482 5.463 5.468 5.469 5.482 5.476 5.473 5.483 5.475 5.473
density functional LSDA 4.116   6.501 6.377 6.493 6.493 6.500 6.510 6.510 6.467   6.481 6.490 6.518   6.501 6.522      
BLYP 3.336 5.563 5.866 5.735 5.852 5.852 5.865 5.881 5.881 5.830 5.882 5.845 5.854 5.880   5.874 5.890   5.874 5.890
B1B95 6.706 5.828 5.828 5.748 5.837 5.837 5.847 5.844 5.844 5.820 5.845 5.813 5.828 5.841   5.841 5.847   5.841 5.847
B3LYP 9.250 5.731 6.024 5.913 6.014 6.014 6.024 6.030 6.030 5.996 6.031 6.001 6.012 6.031 6.019 6.025 6.037 6.020 6.026 6.037
B3LYPultrafine   5.731     6.014 6.014 6.024 6.030   5.996 6.031 6.001 6.012 6.031   6.025 6.037   6.026 6.037
B3PW91 9.130 5.783 6.071 5.954 6.059 6.059 6.066 6.065 6.065 6.034 6.065 6.037 6.048 6.071   6.057 6.075   6.057 6.075
mPW1PW91 9.351 5.771 6.060 5.940 6.048 6.048 6.055 6.055 6.055 6.023 6.056 6.023 6.035 6.061   6.046 6.065   6.046 6.065
M06-2X 142.597 5.635 5.888 5.829 5.891 5.891 5.899 5.894 5.894 5.886 5.893 5.877 5.872 5.858   5.881 5.864   5.881 5.864
PBEPBE 6.550 5.709 6.004 5.863 5.983 5.983 5.994 6.007 6.007 5.958 6.008 5.972 5.983 6.009   5.998 6.017   5.998 6.017
PBEPBEultrafine   5.709     5.983 5.983 5.994 6.007   5.958 6.008 5.972 5.983 6.009   5.998 6.017   5.998 6.017
PBE1PBE 9.384 6.029 6.029 5.911 6.016 6.016 6.023 6.024 6.024 5.994 6.025 5.996 6.007 6.028   6.016 6.032   6.016 6.032
HSEh1PBE 142.167 5.754 6.044 5.918 6.022 6.022 6.029 6.030 6.030 5.999 6.030 6.002 6.012 6.035   6.022 6.040   6.022 6.040
TPSSh -164.320 5.763 6.054 5.884 6.005 6.005 6.012 6.013 6.013 5.973 6.015 5.983 5.989 6.028 6.011 5.999 6.032 6.012 5.999 6.032
wB97X-D 9.273 5.662 5.936 5.831 5.919 5.919 5.927 5.911 5.911 5.887 5.913 5.877 5.891 5.914 5.904 5.904 5.919 5.905 5.904 5.918
B97D3 6.994 5.602 5.894 5.805 5.885 5.885 5.895 5.897 5.897 5.862 5.905 5.853 5.859 5.906 5.896 5.876 5.913 5.903 5.878 5.913
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 2.750 5.189 5.767 5.371 5.706 5.706 5.713 5.717 5.717 5.765 5.776 5.774 5.730 5.862 5.884 5.749 5.871 5.889 5.749 5.872
MP2=FULL 2.746 5.186 5.765 5.345 5.725 5.725 5.732 5.791 5.791 5.812 5.862 5.761 5.730 5.861 5.868 5.749 5.870 5.873 5.749 5.871
ROMP2 2.750 5.766 5.766 5.371 5.702 5.702 5.710 5.713 5.713 5.767 5.778 5.774 5.730 5.871   5.750     5.750 5.883
MP3         5.747   5.755                          
MP4   5.113     5.763       5.792     5.830 5.787 5.936   5.811 5.944      
MP4=FULL   5.111     5.772       5.858       5.788 5.935   5.811 5.943      
B2PLYP 8.166 5.484 5.878 5.671 5.847 5.847 5.855 5.857 5.857 5.858 5.876 5.865 5.856 5.914   5.871 5.920   5.872 5.921
B2PLYP=FULL 8.172 5.484 5.878 5.663 5.859 5.859 5.867 5.890 5.890 5.881 5.915 5.861 5.857 5.914   5.872 5.920   5.872 5.920
B2PLYP=FULLultrafine 8.172 5.484 5.878 5.663 5.859 5.859 5.867 5.890 5.890 5.881 5.915 5.861 5.857 5.914   5.872 5.920   5.872 5.920
Configuration interaction CID   5.108 5.799 5.288 5.747     5.772     5.824   5.751 5.856         5.773 5.863
CISD   5.109 5.811 5.289 5.758     5.781     5.835   5.763 5.873         5.786 5.880
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   5.109 5.820 5.289 5.758 5.758 5.765 5.781 5.781 5.824 5.836 5.806 5.771 5.903   5.795 5.911   5.795 5.911
QCISD(T)         5.770     5.798     5.860 5.821 5.788 5.933   5.814 5.942   5.815 5.942
QCISD(T)=FULL         5.776   5.783       5.914   5.787 5.924 5.937 5.813 5.932 5.940 5.813 5.933
Coupled Cluster CCD   5.107 5.806 5.288 5.747 5.747 5.754 5.772 5.772 5.812 5.824 5.788 5.758 5.880   5.780 5.887   5.781 5.888
CCSD         5.757 5.757 5.763 5.780 5.780 5.823 5.834 5.803 5.769 5.898 5.921 5.793 5.906 5.924 5.793 5.906
CCSD=FULL         5.760         5.859 5.884 5.783 5.767 5.888 5.903 5.790 5.895 5.905 5.790 5.896
CCSD(T)         5.769 5.769 5.776 5.797 5.797 5.846 5.859 5.820 5.786 5.931 5.952 5.813 5.939 5.955 5.813 5.940
CCSD(T)=FULL         5.775           5.912 5.799 5.785 5.921 5.934 5.811 5.929 5.937 5.812 5.930
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 5.404   5.404   5.599 5.517 5.532   5.553
ROHF             5.448   5.465
density functional LSDA             6.424    
BLYP             5.797   5.847
B1B95             5.763   5.815
B3LYP 5.867   5.867   6.142 6.062 5.958   6.003
B3LYPultrafine             5.958   6.003
B3PW91             5.987   6.040
mPW1PW91             5.979   6.027
M06-2X             5.803   5.877
PBEPBE             5.914   5.974
PBEPBEultrafine             5.914   5.974
PBE1PBE             5.948   5.999
HSEh1PBE             5.957   6.004
TPSSh             5.936   5.986
wB97X-D 5.745   5.745   6.103 6.000 5.832   5.883
B97D3             5.804   5.862
Moller Plesset perturbation MP2 5.555   5.555   5.449 5.378 5.827   5.858
MP2=FULL             5.823   5.845
ROMP2                 5.869
MP3             5.853    
MP3=FULL             5.842    
B2PLYP             5.859   5.897
B2PLYP=FULL             5.858   5.893
B2PLYP=FULLultrafine             5.858   5.893
Configuration interaction CID             5.822   5.838
CISD             5.837   5.852
Quadratic configuration interaction QCISD             5.867   5.898
QCISD(T)                 5.922
QCISD(T)=FULL             5.890   5.902
Coupled Cluster CCD             5.845   5.873
CCSD             5.862   5.893
CCSD=FULL             5.854   5.874
CCSD(T)                 5.920
CCSD(T)=FULL             5.887   5.900
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.