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Matrix-Isolation Infrared and Computer-Simulation Spectra (v 3 Bands) of GeCl4, GeBr4, and GeI4 in Argon Matrices

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A tetrahedral MCl4 type molecule in which M is isotopically pure and Cl is in natural abundance consists of five isotopic species due to the mixing of the 35Cl (75.4%) and 37Cl (24.6%) isotopes. Table I lists their symmetry, percent natural abundances, and symmetry species of infrared active modes corresponding to the v 3 vibration of the Td molecule. The v 3 bands of CCl4 and 28SiCl4 in argon matrices exhibit "five-peak chlorine isotope patterns" due to overlap of the nine bands listed in Table I. The vertical lines shown in Fig. 1A' indicate such a pattern for 74GeCl4.

Keywords: Germanium tetrahalides; Infrared spectra; Matrix isolation

Document Type: Short Communication


Affiliations: Todd Wehr Chemistry Building, Marquette University, Milwaukee, Wisconsin 53233

Publication date: July 1, 1976

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