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Isomer selective infrared spectroscopy of neutral metal clusters

J. Chem. Phys. 122, 091105 (2005); doi:10.1063/1.1872834

Published 4 March 2005

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André Fielicke
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany

Christian Ratsch
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany and Department of Mathematics, University of California at Los Angeles, Los Angeles, California 90095-1555

Gert von Helden and Gerard Meijer
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
We report experimental infrared spectra of neutral metal clusters in the gas phase. Multiple photon dissociation of the argon complexes of niobium clusters is used to obtain vibrational spectra in the 80–400  cm–1 region. The observed spectra for Nb9Arn (n = 1–4) are different for different values of n. This is explained by the presence of two isomers of Nb9 that have different affinities towards Ar and the isomer specific infrared spectra are obtained. The structures of the isomers are determined by comparing the observed spectra with the outcome of density-functional theory calculations. ©2005 American Institute of Physics
History: Received 18 January 2005; accepted 26 January 2005; published 4 March 2005
Permalink: http://link.aip.org/link/?JCPSA6/122/091105/1
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KEYWORDS and PACS

Keywords
PACS
  • 36.40.Mr
    Spectroscopy and geometrical structure of atomic and molecular clusters
  • YEAR: 2005

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0021-9606 (print)   1089-7690 (online)
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