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Title:MICROWAVE SPECTROSCOPIC AND THEORETICAL EXAMINATION OF ALLYL ISOTHIOCYANATE CONFORMATIONAL SPACE
Author(s):Stitsky , Joseph
Contributor(s):van Wijngaarden, Jennifer ; Silva, Weslley G. D. P.; Sun, Wenhao
Subject(s):Conformers and isomers
Abstract:A spectroscopic analysis of allyl isothiocyanate \chem{(CH_2=CHCH_2NCS)} was conducted via chirped-pulse and Balle-Flygare Fourier Transform microwave (FTMW) spectroscopy in the 7-25 GHz range. Rotational transitions associated with the different conformers were assigned based on information gathered from quantum-chemical calculations computed at B3LYP-D3(BJ) and MP2 levels of theory using the Dunning cc-pVTZ basis set. The results showed the existence of two conformers, the gauche conformer, which was reported in previous work\footnote{Maiti, S.; Jaman, A. I.; Nandi, R. N. \textit{J. Mol. Spectrosc.} \textbf{165} (1994), 168-172 } as well as the first reported existence of a second conformer which corresponds to the global minimum. Spectroscopic assignments included transitions due to both parent conformers, $^{34}$S, $^{13}$C and $^{15}$N singly substituted isotopic species as well as hyperfine splitting due to the presence of $^{14}$N.
Issue Date:2019-06-18
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/104222
DOI:10.15278/isms.2019.TJ06
Rights Information:Copyright 2019 Joseph Stitsky
Date Available in IDEALS:2019-07-15
2020-01-25


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