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题名: How Is C-H Vibrational Energy Redistributed in F + CHD3(v(1)=1) -> HF + CD3?
作者: Yang, Jiayue1;  Zhang, Dong1;  Jiang, Bo1;  Dai, Dongxu1, 2;  Wu, Guorong1, 2;  Zhang, Donghui1, 2;  Yang, Xueming1, 2
刊名: JOURNAL OF PHYSICAL CHEMISTRY LETTERS
发表日期: 2014-06-05
DOI: 10.1021/jz5007252
卷: 5, 期:11, 页:1790-1794
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science ;  Physics
英文摘要: The effects of CH stretching excitation on the F + CHD3 -> HF + CD3 reaction are studied experimentally using crossed-beam and time-sliced velocity map imaging techniques at the collision energy of 9.0 kcal/mol. The fraction of the vibrationally excited CHD3 reagent in the crossed-beam region was determined accurately, allowing us to investigate quantitatively the effects of CH stretching excitation on the title reaction. Experimental data show that the vibrational energy in the excited CH bond of CHD3 is almost exclusively deposited into the HF product vibration, and hence, the HF products from the excited-state reaction are about one vibrational quantum hotter than those of the ground-state reaction, while the vibrational state distribution of the CD3 products is only slightly affected. The reaction is suppressed by the CH stretching excitation, and the overall reactivity of the vibrationally excited reaction is 74 + 4% of that of the ground-state reaction for CD3(v(2) = 0, 1, 2, 3) product channels.
关键词[WOS]: REACTION DYNAMICS ;  IONIZATION SPECTROSCOPY ;  BIMOLECULAR REACTIONS ;  CHEMICAL-REACTIONS ;  CROSS-SECTIONS ;  STATE ;  MODE ;  PRODUCT ;  BOND ;  EXCITATION
语种: 英语
WOS记录号: WOS:000337012500002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145442
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.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
2.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China

Recommended Citation:
Yang, Jiayue,Zhang, Dong,Jiang, Bo,et al. How Is C-H Vibrational Energy Redistributed in F + CHD3(v(1)=1) -> HF + CD3?[J]. JOURNAL OF PHYSICAL CHEMISTRY LETTERS,2014,5(11):1790-1794.
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