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题名: Highly Rotationally Excited CH3 from Methane Photodissociation through Conical Intersection Pathway
作者: Zhang, Yongwei1;  Yuan, Kaijun1;  Yu, Shengrui1;  Yang, Xueming1
通讯作者: 袁开军 ;  杨学明
刊名: JOURNAL OF PHYSICAL CHEMISTRY LETTERS
发表日期: 2010-01-21
DOI: 10.1021/jz900303e
卷: 1, 期:2, 页:475-479
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1102
产权排名: 1;1
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: Photodissociation of CH4 has been studied using the high-resolution Rydberg tagging time-of-flight technique. The TOF spectra show an important single C-H bond fission channel with partially resolved sharp features. Careful simulations indicate that these sharp peaks are due to highly rotationally excited CH3 products, which are likely produced through a conical intersection dissociation pathway between the excited and ground potential energy surfaces. The energy-dependent anisotropy parameter of the CH3 product has also been determined at various photolysis wavelengths. The results of this work show that the conical intersection between the S-1 and S-0 surfaces plays an essential role in the photochemistry of CH4.
关键词[WOS]: VACUUM-ULTRAVIOLET PHOTOCHEMISTRY ;  121.6 NM ;  DYNAMICS ;  H2O ;  SPECTROSCOPY ;  ISOTOPOMERS ;  CHANNELS ;  SPECTRA
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000277040000005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103245
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, Peoples R China

Recommended Citation:
Zhang, Yongwei,Yuan, Kaijun,Yu, Shengrui,et al. Highly Rotationally Excited CH3 from Methane Photodissociation through Conical Intersection Pathway[J]. JOURNAL OF PHYSICAL CHEMISTRY LETTERS,2010,1(2):475-479.
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