Unusual temperature dependence in dissociative electron attachment to 1,4-chlorobromobenzene

Rosa, A. ; Barszczewska, W. ; Nandi, D. ; Ashok, V. ; Kumar, S. V. K. ; Krishnakumar, E. ; Brüning, F. ; Illenberger, E. (2001) Unusual temperature dependence in dissociative electron attachment to 1,4-chlorobromobenzene Chemical Physics Letters, 342 (5-6). pp. 536-544. ISSN 0009-2614

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0009-2614(01)00643-1

Abstract

Electron attachment to 1,4-chlorobromobenzene yields the ionic fragments Cl- and Br- appearing in the energy range ≈0–1 eV with Br- by about a factor of 70 more intense at room temperature. Increasing the temperature of the target molecule up to 540 K results in an unexpected temperature dependence of the cross-section in that it first increases and after passing a maximum (400 K for Br- and 460 K for Cl-) decreases. This behaviour is qualitatively interpreted by the temperature dependent population of the relevant normal modes containing the C–Cl and C–Br stretch vibration.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:95400
Deposited On:08 Nov 2012 10:28
Last Modified:08 Nov 2012 10:28

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