Excited states of polar negative ions
- 1 October 1982
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 77 (7) , 3666-3673
- https://doi.org/10.1063/1.444268
Abstract
The spectra of electronically excited states of strongly polar negative ions are discussed in terms of general features that may be predicted for such systems. The general properties are then studied through a systematic treatment of lithium halide and lithium hydride anions. Only one or two excited electronic levels exist for these systems, and the binding energies are so low that a limited number of bound rotational levels are associated with each of the excited states. For the states of lowest binding energies, abnormal rotational level spacings are demonstrated. Also, a discussion is given of the implictions for electron scattering and photodetachment studies, of the higher lying dipole states which cross over into the continuum.Keywords
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