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Title:ISOTOPE INVARIANT FITTING OF GeO AND GeS AND THE 73Ge QUADRUPOLE MOMENT DERIVED FROM SPECTROSCOPY AND QUANTUM CHEMICAL CALCULATIONS
Author(s):Thorwirth, Sven
Contributor(s):McCarthy, Michael C; Schlemmer, Stephan ; Puzzarini, Cristina ; Gauss, Jürgen ; Stopkowicz, Stella ; Engel, Franziska ; Kreuter, Florian ; McGuire, Brett A.; Martin-Drumel, Marie-Aline ; Lee, Kelvin
Subject(s):Small molecules
Abstract:Diatomic germanium oxide, GeO, and germanium sulfide, GeS, have been studied by Fourier transform microwave spectroscopy using laser ablation from a germanium target rod in the presence of H$_2$S or O$_2$ diluted in neon. Extensive isotopic spectroscopy has been performed; measurements include the ground vibrational state as well as states exceeding $v=10$ for some species. Ground state rotational spectra of several GeS isotopologs have also been studied around 300\,GHz through a DC discharge of GeCl$_4$ and H$_2$S in a free-space absorption cell. A global isotope invariant fit has been performed combining all previously published and new high-resolution spectroscopic data. From the analysis of the $^{73}$Ge data combined with highly accurate quantum chemical values for the germanium electric-field gradient, a revised $^{73}$Ge quadrupole moment has been derived.
Issue Date:2019-06-18
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/104486
DOI:10.15278/isms.2019.TI04
Rights Information:Copyright 2019 Sven Thorwirth
Date Available in IDEALS:2019-07-15
2020-01-25


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