# MICROWAVE SPECTRA AND STRUCTURES OF H$_2$S-CuCl AND H$_2$S-AgCl.

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/38029

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 Title: MICROWAVE SPECTRA AND STRUCTURES OF H$_2$S-CuCl AND H$_2$S-AgCl. Creators: Walker, N. R.; Wheatley, D.; Legon, A. C. Issue Date: 2009 Publisher: Ohio State University Abstract: An FT-MW spectrometer coupled to a laser ablation source has been used to obtain the pure rotational spectra of H$_{2}$S-CuCl and H$_{2}$S-AgCl. Both molecules are generated via laser ablation (532 nm) of a metal rod in the presence of CCl$_{4}$ and argon and are stabilized by supersonic expansion. Rotational constants ({\it{B}}$_{0}$, {\it{D}}$_{\it{J}}$) have been measured for four isotopomers of each molecule with substitutions at the metal and chlorine atoms in each case. The spectrum of each molecule is consistent with a linear arrangement of sulphur, metal and chlorine atoms. Nuclear quadrupole coupling constants have been measured for the chlorine atom in each molecule and also for copper in H$_{2}$S-CuCl. Nuclear spin-rotation constants have been determined for the copper atom in H$_{2}$S-CuCl. The observed trends are consistent with results previously reported for Ar-MX, OC-MX (where M is a Group 11 metal atom and X is a halogen) and N$_{2}$-CuF. Further experiments are being performed to obtain and assign the spectra of D$_{2}$S-CuCl and D$_{2}$S-AgCl. These data will allow determination of the angle defined between the axis of the D$_{2}$S molecule and that of the metal chloride unit. Description: Author Institution: School of Chemistry, University of Bristol, Bristol, BS8 1TS, U.K. URI: http://hdl.handle.net/1811/38029 Other Identifiers: 2009-RH-11