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题名: Photodissociation of acryloyl chloride in the gas phase
作者: Yang ChunFan1;  Wu WeiQiang1;  Liu KunHui1;  Wang Huan1;  Su HongMei1
关键词: TR-FTIR ;  photodissociation ;  vibrational and rotational state distribution ;  four-center elimination ;  internal conversion
刊名: SCIENCE CHINA-CHEMISTRY
发表日期: 2012-03-01
DOI: 10.1007/s11426-011-4368-x
卷: 55, 期:3, 页:359-367
收录类别: SCI
文章类型: Article
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The 193 nm photodissociation dynamics of CH2CHCOCl in the gas phase has been examined with the technique of time-resolved Fourier transform infrared emission (TR-FTIR) spectroscopy. Vibrationally excited photofragments of CO ( v <= 5), HCl (v <= 6), and C2H2 were observed and two photodissociation channels, the C-Cl fission channel and the HCl elimination channel have been identified. The vibrational and rotational state distributions of the photofragments CO and HCl have been acquired by analyzing their fully rotationally resolved v -> v - 1 rovibrational progressions in the emission spectra, from which it has been firmly established that the mechanism involves production of HCl via the four-center molecular elimination of CH2CHCOCl after its internal conversion from the S-1 state to the S-0 state. In addition to the dominant C-Cl bond fission along the excited S-1 state, the S-1 -> S-0 internal conversion has also been found to play an important role in the gas phase photolysis of CH2CHCOCl as manifested by the considerable yield of HCl.
关键词[WOS]: ALPHA,BETA-UNSATURATED CARBONYL-COMPOUNDS ;  PROPENOYL CHLORIDE ;  EMISSION-SPECTROSCOPY ;  VIBRATIONAL-SPECTRA ;  INTERNAL-ROTATION ;  HCL-ELIMINATION ;  CYCLOADDITION ;  DISSOCIATION ;  ISOCYANIDES ;  PHOTOLYSIS
语种: 英语
WOS记录号: WOS:000302891400006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142888
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, BNLMS, Inst Chem, Beijing 100190, Peoples R China

Recommended Citation:
Yang ChunFan,Wu WeiQiang,Liu KunHui,et al. Photodissociation of acryloyl chloride in the gas phase[J]. SCIENCE CHINA-CHEMISTRY,2012,55(3):359-367.
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