Microwave spectroscopy and structure determination of H2S − MI (M=Cu,Ag,Au)

Medcraft, Chris

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https://hdl.handle.net/2142/91238 Copy

Description

Title

Microwave spectroscopy and structure determination of H2S − MI (M=Cu,Ag,Au)

Author(s)

Medcraft, Chris

Contributor(s)

• Walker, Nick
• Legon, Anthony

Issue Date

2016-06-24

Keyword(s)

Chirped pulse

Date of Ingest

2017-01-26T21:38:34Z

Abstract

A series of hydrogen sulphide-metal iodide complexes (\chem{H_2S}-MI, M$=$Cu, Ag and Au) have been measured via chirped pulse Fourier transform microwave spectroscopy between 7.5-18 GHz. The complexes were generated in a supersonic expansion via laser ablation of the metal and decomposition of CF$_3$I. Experimental structures were obtained by least squares fitting of structural parameters to the rotational constants of deuterium and metal ($^{63}$Cu / $^{65}$Cu and $^{107}$Ag / $^{109}$Ag) isotopologues. Interestingly K$_{-1}$=1 transitions were observed in the spectra containing D$_2$S, these were not observed in previous studies of similar molecules (H$_2$S-MCl). This allowed for the determination of an extra rotational constant and, consequently, extra structural information could be obtained. The structures are compared to high level coupled cluster theory calculations.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

text

Genre of Resource

Conference Paper / Presentation

Language

En

Permalink

http://hdl.handle.net/2142/91238

Copyright and License Information

Copyright 2016 by the authors

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