THE ROTATIONAL SPECTROSCOPY OF FOUR ANTIMONY CONTAINING DIATOMIC MOLECULES: SbN, SbP, SbF and SbCl
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Date
2004
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Ohio State University
Abstract
In separate experiments the molecules SbN, SbP, SbF and SbCl have been prepared by laser ablating antimony metal in the presence of $NH_{3}, PH_{3}, SF_{6}$ or $Cl_{2}$, respectively. Their pure rotational spectra have been measured with a cavity pulsed jet Fourier transform microwave spectrometer. Hyperfine structure in the rotational spectra of these molecules has led to the determination of the $^{121}Sb$ and $^{123}Sb$ nuclear quadrupole coupling constants in all four molecules for the first time. This in turn has enabled the electronic structures of the Sb-pnictides and Sb-halides to be compared and contrasted. The measurement of the respective rotational constants has provided highly precise internuclear distances.
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Author Institution: Department of Chemistry, The University of British Columbia