Infrared spectra of some matrix-isolated germanium,tin, and lead chalcogenides |
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Authors: | Charles P Marino John D Guerin Eugene R Nixon |
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Institution: | 1. Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19174 USA;2. Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19174 USA |
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Abstract: | Infrared spectra are reported for GeS, GeSe, GeTe, SnS, SnSe, PbS and PbSe in argon and nitrogen matrices at 12°K. The absorptions due to the matrix-isolated diatomic IV–VI molecules show considerable isotopic structure. The dimer absorptions are treated in terms of a D2h planar model and indicate that the dimers have nearly square geometries and that the bond stretching force constants in the dimers are about half those of the diatomic molecules. |
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