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Photodissociation of bromobenzene at 266 nm
Zhang, H; Zhu, RS; Wang, GJ; Han, KL; He, GZ; Lou, NQ
刊名JOURNAL OF CHEMICAL PHYSICS
1999-02-08
110期:6页:2922-2927
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Atomic, Molecular & Chemical
研究领域[WOS]Physics
关键词[WOS]TRANSLATIONAL ENERGY-DISTRIBUTION ; MOLECULAR-BEAMS ; 193 NM ; ANGULAR-DISTRIBUTION ; EXCITED-STATES ; ARYL HALIDES ; 248 NM ; PHOTOFRAGMENTATION ; FRAGMENT ; DISSOCIATION
英文摘要The photodissociation of C6H5Br at 266 nm has been investigated on the universal crossed molecular beam machine, and time-of-flight spectra as well as the angular distribution of Br atom have been measured. Photofragment translational energy distribution P(E-t) reveals that about 47% of the available energy is partitioned into translational energy. The anisotropy parameter beta at this wavelength is -0.7+/-0.2. From P(E-t) and beta, we deduce that C6H5Br photodissociation is a fast process and the transition dipole moment is almost perpendicular to the C-Br bond. Ab initio calculations have been performed, and the calculated results show that the geometry of the first excited state of bromobenzene has changed apparently compared with that of the ground state. Two kinds of possible fast dissociation mechanism have also been proposed. (C) 1999 American Institute of Physics. [S0021-9606(99)01206-4].
语种英语
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WOS记录号WOS:000078379800023
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被引频次:85[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/321008/85273
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
Zhang, H,Zhu, RS,Wang, GJ,et al. Photodissociation of bromobenzene at 266 nm[J]. JOURNAL OF CHEMICAL PHYSICS,1999,110(6):2922-2927.
APA Zhang, H,Zhu, RS,Wang, GJ,Han, KL,He, GZ,&Lou, NQ.(1999).Photodissociation of bromobenzene at 266 nm.JOURNAL OF CHEMICAL PHYSICS,110(6),2922-2927.
MLA Zhang, H,et al."Photodissociation of bromobenzene at 266 nm".JOURNAL OF CHEMICAL PHYSICS 110.6(1999):2922-2927.
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