INFRARED SPECTRA OF $SH^{-}$ AND $SD^{-}$ IN ALKALI HALIDE LATTICES
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Date
1970
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Ohio State University
Abstract
Single crystal growth methods have been used to incorporate $SH^{-}$ and $SD^{-}$ impurities in a series of Na, K and Rb halides. In the infrared spectra, obtained at temperatures ranging from room temperature down to liquid helium, the vibrational fundamentals, first overtones, and librational modes of the isolated ionic impurities have been identified, as well as vibrational absorptions due to impurity pairs. The spectra of $SH^{-}$ differ in many respects from those of $OH^{-}$; for example, with a given halide, the $SH^{-}$ fundamental frequency is highest in the Rb salt. Interpretation of the spectra will be discussed.
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Author Institution: Department of Chemistry and Laboratory for Research on the Structure of Matter, University of Pennsylvania