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Title:A study of the conformational isomerism of 1-Iodobutane by microwave spectroscopy
Author(s):Arsenault, Eric A.
Contributor(s):Novick, Stewart E.; Blake, Thomas A.; Cooke, S. A.; Obenchain, Daniel A.
Subject(s):(Hyper)fine structure, tunneling
Abstract:The rotational spectrum of 1-iodobutane was measured in a frequency range of 7-13 GHz, revealing a dense set of rotational transitions. Over 400 of the observed transitions were assigned to three different low energy conformational isomers. A previous low resolution microwave study\footnote{Steinmetz, W. E.
Hickernell, F.
Mun, I. K.
Scharpen, L. H. \textit{J. Mol. Spectrosc.} \textbf{1977}, \textit{68}, 173-182.} of 1-haloalkanes, including 1-iodobutane, confirmed that the three conformers present are the anti-anti, gauche-anti, and gauche-gauche species. From this high resolution study, the complete nuclear quadrupole coupling tensor of iodine was determined for each conformer. Rotational, centrifugal distortion, nuclear spin-rotation coupling constants will be discussed. Nuclear quadrupole coupling constants will also be presented and compared to other iodoalkane species. \begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.73]{three_conformers_MP2_002.eps} \end{wrapfigure} \vspace{2in} \mbox{}
Issue Date:2016-06-22
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper/Presentation
Type:Text
Language:En
URI:http://hdl.handle.net/2142/91069
Rights Information:Copyright 2016 by the authors
Date Available in IDEALS:2016-08-22


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