Spectroscopic evidence of α-methylbenzyl radical in the gas phase

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We report the observation of the spectroscopic evidence of the alpha-methylbenzyl radical in a corona excited supersonic expansion using a pinhole-type glass nozzle for the first time. The precursors, toluene, ethylbenzene, and isopropylbenzene, seeded in a large amount of inert carrier gas helium, were electrically discharged to produce benzyl-type radicals as a result of the breaking off of a C-H or a C-C bond from the alkyl chain. The vibronic emission spectra, obtained in the visible region from the precursors, were compared to identify the species generated in the corona discharge of the precursors, from which we found the spectroscopic evidence of the alpha-methylbenzyl radical. (C) 2008 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2008-11
Language
English
Article Type
Article
Citation

CHEMICAL PHYSICS LETTERS, v.465, no.4-6, pp.193 - 196

ISSN
0009-2614
DOI
10.1016/j.cplett.2008.10.008
URI
http://hdl.handle.net/10203/318424
Appears in Collection
CH-Journal Papers(저널논문)
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