HIGH RESOLUTION FAR-INFRARED SPECTROSCOPY OF TRANS- AND GAUCHE-BUTADIENE

Martin-Drumel, Marie-Aline

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https://hdl.handle.net/2142/104287 Copy

Description

Title

HIGH RESOLUTION FAR-INFRARED SPECTROSCOPY OF TRANS- AND GAUCHE-BUTADIENE

Author(s)

Martin-Drumel, Marie-Aline

Contributor(s)

McCarthy, Michael C; Stanton, John F.; Billinghurst, Brant E.; Pirali, Olivier ; Georges, Robert ; Soulard, Pascale ; Asselin, Pierre ; Goubet, Manuel ; Nava, Matthew ; Changala, Bryan ; Baraban, Joshua H; Porterfield, Jessie P

Issue Date

2019-06-18

Keyword(s)

Conformers and isomers

Abstract

Much attention has surrounded 1,3-butadiene because this conjugated diene, the simplest of all, is an ideal candidate to observe the effects of $\pi$-electron delocalization, and because the species is of central importance in a wide range of chemistry applications. Butadiene exists in two forms, the most stable planar \textit{trans} and the long-elusive \textit{gauche} lying 12 kJ/mol higher in energy. The later was only conclusively detected in the gas phase by some of us recently, in a work that allowed the determination of a partial structure from a combination of pure rotational measurements and high level quantum chemical calculations. In an attempt to detect the ro-vibrational spectrum of \textit{gauche}-butadiene, we have re-investigated the far-infrared spectrum of the species at both the SOLEIL synchrotron facility and the Canadian light source using three experimental set-ups allowing to reach rotational temperatures ranging from 30 to 350 K. We will present our results on new fundamentals of the \textit{trans} form, and on the \textit{gauche} form.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

text

Language

English

Permalink

http://hdl.handle.net/2142/104287

DOI

10.15278/isms.2019.TJ01

Copyright and License Information

Copyright 2019 Marie-Aline Martin-Drumel

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