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Photodissociation of m-bromotoluene at 266 nm
Gu, XB; Wang, GJ; Huang, JH; Han, KL; He, GZ; Lou, NQ
刊名CHEMICAL PHYSICS
2003-02-01
287期:1-2页:285-294
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
关键词[WOS]PHOTOFRAGMENT TRANSLATIONAL SPECTROSCOPY ; POLAR SUNRISE ; MOLECULAR-BEAMS ; 248 NM ; 193 NM ; OZONE DESTRUCTION ; BOUNDARY-LAYER ; ALKYL-HALIDES ; ARYL HALIDES ; 304 NM
英文摘要The photodissociation of m-bromotoluene at 266 nm has been investigated on the universal crossed molecular beam machine, and the time-of-flight (TOF) spectra of recoiling photofragment at different angles were measured with the photofragment translational spectroscopy (PTS) detecting technique. The observed TOF spectra indicate that there are two different dissociation channels, one is channel (A) beta = 0.7 +/- 0.1 and (E-t) = 3.76 +/- 0.5 kcal/mol, the other is channel (B) beta = 0.2 +/- 0.15 and (E-t) = 12.13 +/- 0.5 kcal/mol. To better interpret the experimental results and primary photodissociation mechanism, the ultraviolet-visible (UV) absorption spectra of m-, o- and p-bromotoluene were measured, and the geometries of m-bromotoluene were optimized at the CASSCF(8,7)/6-311G(**) level. Two probable photodissociation mechanisms are suggested based upon the experimental results and the ab initio calculation. (C) 2002 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000180684200026
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138277
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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GB/T 7714
Gu, XB,Wang, GJ,Huang, JH,et al. Photodissociation of m-bromotoluene at 266 nm[J]. CHEMICAL PHYSICS,2003,287(1-2):285-294.
APA Gu, XB,Wang, GJ,Huang, JH,Han, KL,He, GZ,&Lou, NQ.(2003).Photodissociation of m-bromotoluene at 266 nm.CHEMICAL PHYSICS,287(1-2),285-294.
MLA Gu, XB,et al."Photodissociation of m-bromotoluene at 266 nm".CHEMICAL PHYSICS 287.1-2(2003):285-294.
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