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题名: CH stretching excitation promotes its cleavage in the F + CHD3(nu(1)=1) -> HF + CD3 reaction at low collision energies
作者: Zhang, Dong1, 2;  Yang, Jiayue1;  Chen, Zhen1, 2;  Chen, Rongjun1, 2;  Jiang, Bo1;  Dai, Dongxu1, 3;  Wu, Guorong1, 3;  Zhang, Donghui1, 3;  Yang, Xueming1, 3
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
发表日期: 2017-05-28
DOI: 10.1039/c7cp01428g
卷: 19, 页:13070-13074
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: The effects of CH stretching excitation on the reactivity of the F + CHD3 -> HF + CD3 reaction were studied experimentally using crossed-beam and time-sliced velocity map imaging techniques over the collision energy range of 1.21 to 9.00 kcal mol(-1). The experimental results showed that the CH stretching excitation promoted its cleavage and enhanced the title reaction at low collision energies. This enhancement dropped with an increase of the collision energy. And at high collision energies, CH stretching excitation appeared to lower the reactivity of the above reaction, in contrast to the case at low collision energies. This decreasing trend in the enhancement of reactivity was in agreement with previous theoretical studies. The vibrationally excited reaction was further compared with the ground-state reaction at a same total reagent energy of 9.80 kcal mol(-1), and similar reactivities were derived.
关键词[WOS]: IONIZATION SPECTROSCOPY ;  BIMOLECULAR REACTIONS ;  CHEMICAL-REACTIONS ;  MODE SPECIFICITY ;  STATE ;  DYNAMICS ;  ENERGY ;  SELECTIVITY ;  BOND
语种: 英语
WOS记录号: WOS:000402072100049
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152201
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, State Key Lab Mol React Dynam, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China

Recommended Citation:
Zhang, Dong,Yang, Jiayue,Chen, Zhen,et al. CH stretching excitation promotes its cleavage in the F + CHD3(nu(1)=1) -> HF + CD3 reaction at low collision energies[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2017,19:13070-13074.
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