THE RADIATIVE PROPERTIES OF LONG-RANGE MOLECULES
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Date
1976
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Ohio State University
Abstract
Because of the long-range behavior (e.g., $C_{6}/R^{6}$) of the potential representing the interaction between two atoms, there are often a certain number of closely spaced vibrational-rotational levels near dissociation with large vibrational amplitudes and long classical vibrational periods (most of which are spent at large $distance).^{1}$ Because the properties of molecules in such levels are quite exotic and nonintuitive (although quite simply related to long-range forces), we shall refer to them as ``long-range molecules”, and symbolize them $AB^{00}$ The existence of such molecules has been conclusively established spectroscopically. We shall discuss the radiative (and non-radiative) properties of such isolated molecules, with particular emphasis on electronic transitions. Molecules discussed will include $H_{2}, LiH,$ and $I_{2}$.
Description
$^{1}$See e.g., W. C. Stwalley, ``Atom-Atom Interactions from Spectroscopy"", in D. W. Smith and W. B. McRae, Editors, Energy, Structure, and Reactivity (Wiley, New York, 1973), p. 259. Acknowledgment is made to the Donors of the Petroleum Research Fund, administered by the American Chemical Society, and to the National Science Foundation for support of this work. Temporary address of William C. Stwalley: Chemistry Division, National Science Foundation, Washington, D. C., 2055 (8/1/75 - 7/31/76).
Author Institution: Department of Chemistry Chemistry Division, University of Iowa; Department of Chemistry, Wartburg College
Author Institution: Department of Chemistry Chemistry Division, University of Iowa; Department of Chemistry, Wartburg College