MICROWAVE SPECTRA OF METAL CHLORIDES PRODUCED USING LASER ABLATION
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Date
1992
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Ohio State University
Abstract
A program has begun in our laboratory whereby metal compounds will be produced using laser ablation and their rotational spectra investigated with a microwave Fourier transform {MWFT) cavity spectrometer, the first two such compounds to be studied are silver chloride and aluminum chloride, produced by ablation of silver and aluminum rods in the presence of chlorine gas, using a Q-switched Nd:YAG laser (532 nm). The rods are housed in a small chamber directly in front of the cavity injector nozzle; this chamber allows sufficient time for the ablated metal atoms to react with $Cl_{2}$, with further stabilization of the metal chlorides provided by supersonic cooling as the molecules, entrained in argon, are passed through a small exit orifice into the cavity. The high resolution and sensitivity available with the MWFT cavity spectrometer has led to improved values of the rotational and nuclear quadrupole coupling constants for all stable isotopomers of silver chloride and aluminum chloride: [FIGURE]
Description
$^{*}$ Present address: Laboratorium f\""{u}r Physikalische Chemie, Eidgen\""{o}ssische Technische Hochschule, 8092 Z\""{u}rich, Switzerland.
Author Institution: Department of Chemistry, University of British Columbia
Author Institution: Department of Chemistry, University of British Columbia