標題: On the Cl*(P-2(1/2)) reactivity and the effect of bend excitation in the Cl+CH4/CD4 reactions
作者: Zhou, JG
Lin, JJ
Zhang, BL
Liu, KP
應用化學系
Department of Applied Chemistry
公開日期: 30-Sep-2004
摘要: The reaction of atomic chlorine with methane was studied in crossed-beam experiments at a collisional energy of E-c approximate to 4.7 kcal/mol. Using a time-sliced product imaging technique, several outstanding issues about this reaction were addressed in this work. It was found that the reactivity of the spin-orbit excited Cl*(P-2(1/2)) atom toward methane is negligibly small, in agreement with the assertion of recent studies. The excitation of methane bending/torsional modes exhibits only modest enhancement in reactivity, in contrast to the previous experiments. The product angular distributions are mainly backscattered for Cl + CD4, and sideways scattered for Cl + CH4. The shapes of the distributions from the ground state and the bend-excited methane are remarkably similar.
URI: http://dx.doi.org/10.1021/jp040128t
http://hdl.handle.net/11536/26364
ISSN: 1089-5639
DOI: 10.1021/jp040128t
期刊: JOURNAL OF PHYSICAL CHEMISTRY A
Volume: 108
Issue: 39
起始頁: 7832
結束頁: 7836
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