Digallane ionization energies

Electron Propagator Theory of Ionization Energies and Dyson Orbitals for p-Hydrido, Bridge-Bonded Molecules Diborane, Digallane, and Gallaborane... 

In general, the ionization energies are lower for digallane than for diborane. The calculated separation between the fourth and the first states is only 0.7 eV for... 

Smaller energy separations between ionization energies and reduced direct interactions between nonhydrogen atoms suggest that bonding in digallane has more ionic character. 

Dyson orbitals for gallaborane (Fig.s 13-18) exhibit polarizations toward Ga for the first, second and fifth ionization energies. In the remaining cases, polarizations toward B occur. Nodal patterns resemble those of digallane. 

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