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The European Physical Journal D

, Volume 43, Issue 1–3, pp 41–44 | Cite as

Photoinduced dissociation reactions of silver fluoride cluster ions

  • N. Hori
  • A. Furuya
  • M. Tsuruta
  • F. Misaizu
  • K. Ohno
Structure and Thermodynamics of Free Clusters
  • 61 Downloads

Abstract.

Photoinduced dissociation in the ultraviolet region has been investigated for Ag nF n-1 + cluster ions. Photodissociation spectrum of Ag2F+ in the energy of 3.8–5.6 eV exhibits several sharp bands corresponding to the transition to electronically excited states. In this dissociation, only the Ag2 + ion was observed as a fragment ion. Theoretical calculation indicates that the parent Ag2F+ ion has a linear Ag-F-Ag equilibrium geometries in the ground and excited states. Since conformational changes by excitation of bending vibration are necessary for the fragmentation of an F atom, this indicates that production of Ag2 + from Ag2F+ is a result of internal conversion and following conformational changes.

PACS.

36.40.Mr Spectroscopy and geometrical structure of clusters 36.40.Qv Stability and fragmentation of clusters 

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  • N. Hori
    • 1
  • A. Furuya
    • 1
  • M. Tsuruta
    • 1
  • F. Misaizu
    • 1
  • K. Ohno
    • 1
  1. 1.Department of ChemistryGraduate School of Science, Tohoku UniversitySendaiJapan

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