Bulletin of the Korean Chemical Society

  • 제32권2호
  • /
  • Pages.659-663
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  • 2011
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Dynamics of Br(2Pj) Formation in the Photodissociation of Bromobenzene

  • Paul, Dababrata (Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University) ;
  • Kim, Hyun-Kook (Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University) ;
  • Hong, Ki-Ryong (Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University) ;
  • Kim, Tae-Kyu (Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University)
  • 투고 : 2010.12.15
  • 심사 : 2011.01.14
  • 발행 : 2011.02.20
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초록

The photodissociation dynamics of bromobenzene near 234 nm has been investigated using a two-dimensional photofragment ion-imaging technique coupled with a state-selective [2+1] resonance-enhanced multiphoton ionization (REMPI) scheme. The nascent Br atoms are produced by the primary C-Br bond dissociation, which leads to the formation of $C_6H_5$ ($\tilde{X}$) and Br($^2P_j$, j = 1/2, 3/2). The observed translational energy distributions have been fitted by a single Boltzmann function and two Gaussian functions. Trimodal translational energy distributions of Br($^2P_j$) have been assigned to the direct/indirect dissociation mechanisms originating from the initially excited $^3({\pi},{\pi}^*)$ state. The assignments have been confirmed by the recoil anisotropy and distribution width corresponding to the individual components.

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피인용 문헌

  1. Br at 234 nm vol.33, pp.1, 2012, https://doi.org/10.5012/bkcs.2012.33.1.143
  2. Formation Pathways vol.34, pp.3, 2013, https://doi.org/10.5012/bkcs.2013.34.3.957
  3. configuration interaction and DFT computations vol.143, pp.16, 2015, https://doi.org/10.1063/1.4933419
  4. UV photolysis of 4-iodo-, 4-bromo-, and 4-chlorophenol: Competition between C-Y (Y = halogen) and O-H bond fission vol.138, pp.16, 2011, https://doi.org/10.1063/1.4802058