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Title:ANION PHOTOELECTRON IMAGING SPECTROSCOPY OF REACTION INTERMEDIATES IN THE OZONOLYSIS OF ISOPRENE
Author(s):Thompson, Michael C
Contributor(s):Chick Jarrold, Caroline ; Dobulis, Marissa A.
Subject(s):Radicals
Abstract:Ozonolysis of volatile organic compounds is one of the principle oxidative reactions in the atmosphere. Such reactions are known to produce hydroxyl radical, as well as secondary organic aerosols.\footnote{Guenther, A. \textit{et al.} \textit{J. Geophys. Res.} \textbf{1995}, \textit{100}, 8873–8892.} Isoprene is the most abundant non-methane hydrocarbon in the troposphere, and is thought to be a nighttime source of hydroxyl radical in densely vegetated areas.\footnote{Gutbrod, R. \textit{et al.} \textit{J. Am. Chem. Soc.} \textbf{1997}, \textit{119}, 7330-7342.} We “tag” unstable radical species with an electron in order to study their molecular identities and low-lying electronic structures via mass spectrometry and anion photoelectron spectroscopy. We will present photoelectron spectra of products of isoprene ozonolysis at 2.33 and 3.49 eV, along with quantum chemical calculations of several reaction intermediates that are formed via ozonolysis of isoprene.
Issue Date:2019-06-21
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/104334
DOI:10.15278/isms.2019.FD08
Rights Information:Copyright 2019 Michael C Thompson
Date Available in IDEALS:2019-07-15
2020-01-25


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