Low-lying electronic structure of EuH, EuOH, and EuO neutrals and anions determined by anion photoelectron spectroscopy and DFT calculations.
作者： Jared O Kafader , Manisha Ray , Caroline Chick Jarrold , None
DOI: 10.1063/1.4926663
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摘要: The anion photoelectron (PE) spectra of EuH− and the PE spectrum overlapping EuOH− EuO− anions are presented analyzed with supporting results from density functional theory calculations on various neutrals. Results point to ionically bound, high-spin species. EuH EuOH neutrals exhibit analogous electronic structures: Transitions 8Σ− ground states arising 4f7σ6s2 superconfiguration close-lying neutral 9Σ− 7Σ− 4f7σ6s observed spaced by an energy interval similar free Eu+ [4f76s] 9S - 7S splitting. electron affinities (EAs) determined be 0.771 ± 0.009 eV 0.700 0.011 eV, respectively. Analysis spectroscopic features attributed photodetachment is complicated likely presence two energetically competitive populating ion beam. However, based calculated relative energies state...
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