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题名: Imaging the O(D-1)+CD4 -> OD+CD3 reaction dynamics: Probing vibrationally and rotationally excited CD3 products
作者: Shuai, Quan1;  Pan, Huilin1;  Yang, Jiayue1;  Zhang, Dong1;  Jiang, Bo1;  Dai, Dongxu1;  Yang, Xueming1
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 2012-12-14
DOI: 10.1063/1.4767397
卷: 137, 期:22
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: The dynamics of the O(D-1) + CD4 -> OD + CD3 reaction has been studied using the crossed molecular beam technique with sliced velocity map imaging. Internally excited CD3 products were detected using a (2+1) resonance-enhanced multiphoton ionization with state resolution. Dual reaction mechanisms, insertion and abstraction, were only observed for CD3 products with its umbrella mode (nu(2)) excited or in its ground state, while CD3 products with other vibrational mode excited do not show any evidence of contributions from the abstraction pathway. Experimental results indicate that even though the insertion channel dominates the reaction, the abstraction channel contributes relatively more to vibrationally excited CD3 products. The state-to-state correlation between the two reaction products, OD and CD3, was determined for the abstraction channel at different collision energies. In addition, we measured rotationally hot CD3 products and found that these products are only produced via the insertion channel. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4767397]
关键词[WOS]: (2)PI)+CH3(X (2)A(2)'') REACTION ;  MULTIPHOTON IONIZATION DETECTION ;  LASER-INDUCED FLUORESCENCE ;  POTENTIAL-ENERGY SURFACES ;  PRODUCT PAIR CORRELATION ;  REACTION DYNAMICS ;  AB-INITIO ;  O((1)D)+CH4 REACTION ;  COLLISION ENERGY ;  F+CD4 REACTION
语种: 英语
WOS记录号: WOS:000312491400072
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137999
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Shuai, Quan,Pan, Huilin,Yang, Jiayue,et al. Imaging the O(D-1)+CD4 -> OD+CD3 reaction dynamics: Probing vibrationally and rotationally excited CD3 products[J]. JOURNAL OF CHEMICAL PHYSICS,2012,137(22).
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