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题名: Communication: Imaging the effects of the antisymmetric-stretching excitation in the O(P-3) + CH4(v(3)=1) reaction
作者: Pan, Huilin1, 2;  Liu, Kopin1
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 2014-05-21
DOI: 10.1063/1.4878094
卷: 140, 期:19
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Effects of one-quantum excitation of the antisymmetric-stretching mode of CH4(v(3) = 1) on the O(P-3) + CH4 reaction were studied in a crossed-beam, ion-imaging experiment. In the post-threshold region, we found that (1) the product state distributions are dominated by the CH3(0(0)) + OH(v' = 1) pair, (2) the product angular distributions extend toward sideways from the backward dominance of the ground-state reaction, and (3) vibrational excitation exerts a positive effect on reactivity, but translational energy is more efficient in promoting the rate of this central-barrier reaction. All major findings agree reasonably well with recent theoretical results. Some remaining questions are pointed out. (C) 2014 AIP Publishing LLC.
关键词[WOS]: POTENTIAL-ENERGY SURFACE ;  THERMAL RATE CONSTANTS ;  QUANTUM DYNAMICS ;  VIBRATIONAL EXCITATIONS ;  MODE SELECTIVITY ;  CROSSED-BEAMS ;  F ATOM ;  METHANE ;  REACTIVITY ;  BOND
语种: 英语
WOS记录号: WOS:000336832700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145458
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Acad Sinica, IAMS, Taipei 10617, Taiwan
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Pan, Huilin,Liu, Kopin. Communication: Imaging the effects of the antisymmetric-stretching excitation in the O(P-3) + CH4(v(3)=1) reaction[J]. JOURNAL OF CHEMICAL PHYSICS,2014,140(19).
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