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Jet-Cooled Emission Spectra of the Xylenes

โœ Scribed by J.I. Selco; P.G. Carrick

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
606 KB
Volume
173
Category
Article
ISSN
0022-2852

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โœฆ Synopsis

Jet-cooled electronic emission spectra from ortho-, meta-, and para-xylenes have been recorded using a corona excited supersonic expansion apparatus. A full vibronic analysis of the (S_{1} \rightarrow S_{0}) transition for all three isomers has been carried out allowing for unambiguous assignments of the gas-phase ground state vibrational frequencies. For modes showing progressions [ mode numbering according to Green and Wilson: (8(18 \mathrm{~b})), and (9(1)) in ortho; (8(1), 9(12)), and (10(6 \mathrm{a})) in meta-; and (3(7 \mathrm{a}), 5(1)), and (14(6 \mathrm{~b})) in para-xylene], anharmonicity constants are calculated and reported. @ 1995 Academic Pres. Inc.

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