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Calculated Ionization Energy for D (Deuterium atom)

20 09 09 14 00
Experimental Ionization Energy is 13.603 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  

Ionization Energies in eV
Methods with standard basis sets
3-21G 3-21G* 6-31G* 6-31+G** 6-311G** 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVTZ daug-cc-pVTZ
hartree fock HF                     13.601
density functional BLYP     13.482                
M06-2X   13.415                  
wB97X-D   13.548 13.622 13.622 13.678   13.678 13.622 13.678 13.682  
B97D3 13.536   13.605 13.605 13.673 13.673 13.672   13.673 13.682  
3-21G 3-21G* 6-31G* 6-31+G** 6-311G** 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVTZ 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                 13.601
density functional B3LYP                 13.664
PBEPBE                 13.595
Moller Plesset perturbation MP2                 13.601
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.