Site propensities for HCl and DCl formation in the reaction of Cl with selectively-deuterated alkanes

Brent D. Koplitz; Yu-Fong Yen

doi:10.1117/12.178121

17 June 1994 Site propensities for HCl and DCl formation in the reaction of Cl with selectively-deuterated alkanes

Brent D. Koplitz, Yu-Fong Yen

Proceedings Volume 2124, Laser Techniques for State-Selected and State-to-State Chemistry II; (1994) https://doi.org/10.1117/12.178121
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

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.

Citation Download Citation

Brent D. Koplitz and Yu-Fong Yen "Site propensities for HCl and DCl formation in the reaction of Cl with selectively-deuterated alkanes", Proc. SPIE 2124, Laser Techniques for State-Selected and State-to-State Chemistry II, (17 June 1994); https://doi.org/10.1117/12.178121

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