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题名: OH fragment from benzoic acid monomer photolysis: Threshold and product state distribution
作者: Wei, Qiang1;  Sun, Ju-Long1;  Yue, Xian-Fang1;  Cheng, Shi-Bo1;  Zhou, Can-Hua1;  Yin, Hong-Ming1;  Han, Ke-Li1
通讯作者: 尹鸿鸣
刊名: JOURNAL OF PHYSICAL CHEMISTRY A
发表日期: 2008-05-29
DOI: 10.1021/jp711806u
卷: 112, 期:21, 页:4727-4731
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1101
产权排名: 1;1
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: Photodissociation dynamics of benzoic acid monomer (BAM) at different ultraviolet excitation wavelengths (280-295 nm) has been investigated. The nascent OH product state distributions were measured using the laser-induced fluorescence (LIF) technique. The rotational state distributions, the A-doublet-state ratio, and spin-orbit state distributions of the OH fragment were also measured at 280-294 nm. The OH fragments are vibrationally cold, and their rotational state distributions are peaked at J '' = 3.5 at each photolysis wavelength. No LIF signal of OH fragments was observed at 295 rim. The photodissociation threshold is determined to be 102.5-103.9 kcal/mol for OH channel. The dissociative state and mechanism have been discussed for OH produced from the photodissociation of BAM.
关键词[WOS]: PHOTODISSOCIATION DYNAMICS ;  193 NM ;  ACETIC-ACID ;  ACRYLIC-ACID ;  S-2 STATE ;  DISSOCIATION ;  PHOTOCHEMISTRY ;  SPECTRA ;  CHANNEL ;  CH3ONO
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000256055300004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100025
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:
Wei, Qiang,Sun, Ju-Long,Yue, Xian-Fang,et al. OH fragment from benzoic acid monomer photolysis: Threshold and product state distribution[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2008,112(21):4727-4731.
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