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Proceedings Paper

Site propensities for HCl and DCl formation in the reaction of Cl with selectively-deuterated alkanes
Author(s): Brent D. Koplitz; Yu-Fong Yen
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Paper Abstract

Gas-phase hydrogen abstraction reactions involving Cl and selectively- deuterated propanes and isobutanes have been studied. Cl atoms are generated through the 351 nm photolysis of Cl2, and both the HCl and DCl products are detected via 2 + 1 multiphoton ionization at approximately 240 nm. Labelled compounds enable one to identify positively with individual reactive sties within a given target molecule. For propanes over the quantum states probed, DCl is formed with nearly equal probability independent of whether CH3CD2CH3 or CD3CH2CD3 is the target molecule. For HCl formation, Cl reacting with CH3CD2CH3 generates slightly more HCl than does Cl reacting with CD3CH2CD3. For Cl attacking labelled isobutanes, kinetic and/or steric effects appear to be significant. Overall, the results are discussed in terms of their implications for `site-specific' bimolecular behavior.

Paper Details

Date Published: 17 June 1994
PDF: 8 pages
Proc. SPIE 2124, Laser Techniques for State-Selected and State-to-State Chemistry II, (17 June 1994); doi: 10.1117/12.178121
Show Author Affiliations
Brent D. Koplitz, Tulane Univ. (United States)
Yu-Fong Yen, Tulane Univ. (United States)


Published in SPIE Proceedings Vol. 2124:
Laser Techniques for State-Selected and State-to-State Chemistry II
John W. Hepburn, Editor(s)

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