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Gas phase reaction rates of C+ with O2, NO and N2O near 0.6 K

✍ Scribed by T.L. Mazely; M.A. Smith

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 597 KB
Volume: 144
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(88)87316-0

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✦ Synopsis

We report the measurement of absolute ion-molecule rate constants, obtained using a novel free jet expansion flow reactor, at translational temperatures near 0.6 K. The reactions of C+ with 02, NO and N20 have been studied. All three reactions are found to have rate constants significantly greater than those observed at 300 K. The observed rate constants for reaction with NO and N20 can be explained upon consideration of the ion-dipole interaction. Using the assumed temperature of 0.6 K, the very fast reaction of C+ with O2 cannot be explained with current capture theories which account for ion-quadrupole interaction.

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