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Title:2-METHYl-1-HEXEN-3-YNE AND 3-HEXYN-2-ONE ADVENTURES IN METHYL GROUP INTERNAL ROTATION
Author(s):Stephens, Susanna L.
Contributor(s):Cooke, S. A.; Novick, Stewart E.; Bohn, Robert Karl; Khanna, Zain
Subject(s):Fundamental interest
Abstract:The two titled molecules have been studied in the past by one of us (RKB) and coworkers. Due to unassigned splittings of the methyl internal rotations, and inconsistencies in the spectroscopic fits the studies were deemed incomplete for a manuscript but were previously presented in isolation at ISMS in Columbus.\footnote{Microwave study of 2-Methyl-Hexene-3-yne; Ground state and tortionally excited state; Yeager. Joseph, Bohn. Robert.K ISMS 2007}{$^{,}$}\footnote{Rotational spectrum and structure of 3-Hexyn-2-one; Bohn. Robert.K ISMS 1997} By re-measurement we have identified new small splittings and added breadth the spectral fits to allow improved fitting. Parameters characterizing internal rotation have been determined for 2-methyl-1-hexen-3-yne for the first time. This work is part of a larger series of work which attempts to rationalize how molecules undergo structural and dynamical changes when altering one moiety, for example how an environment surrounding a double bond hinders the free rotation of an adjacent methyl group.
Issue Date:06/22/18
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:APS
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/100755
DOI:10.15278/isms.2018.FD06
Other Identifier(s):FD06
Date Available in IDEALS:2018-08-17
2018-12-12


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