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Photoinduced Dissociative Electron Capture Processes in Binary Ion-Molecule Complexes

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Linking the Gaseous and Condensed Phases of Matter

Part of the book series: NATO ASI Series ((NSSB,volume 326))

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Abstract

Molecular negative ions are distinct from their neutral counter parts in that while their ground electronic states can be quite stable, their first excited electronic states often correspond to the electron detachment continuum, with the lowest valence excited states embedded in the continuum.1,2 Thus, the absence of the long range coulomb attraction between the excess electron and the neutral core often completely eliminates the infinite number of bound Rydberg states present in all neutral molecules near their ionization potentials. There are, however, a few recently discovered cases in which the dipole moment of a neutral molecule is sufficiently large that the electrostatic (i.e. charge-dipole) interaction with the excess electron is sufficient to create an additional bound electronic state just below the continuum.3 Water dimer anion, (H2O)2’ -4 presents a spectacular case in which a dipole bound state actually forms the ground state since all the valence states are unstable with respect to autodetachment.

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Authors and Affiliations

  1. Department of Chemistry, Sterling Chemistry Laboratory, Yale University, New Haven, CT, 06511, USA

    Donna M. Cyr & Mark A. Johnson

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  1. Donna M. Cyr
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Editors and Affiliations

  1. Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA

    Loucas G. Christophorou

  2. University of Tennessee, Knoxville, Tennessee, USA

    Loucas G. Christophorou

  3. Freie Universität, Berlin, Germany

    Eugen Illenberger

  4. Hahn-Meitner Institüt, Berlin, Germany

    Werner F. Schmidt

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© 1994 Springer Science+Business Media New York

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Cyr, D.M., Johnson, M.A. (1994). Photoinduced Dissociative Electron Capture Processes in Binary Ion-Molecule Complexes. In: Christophorou, L.G., Illenberger, E., Schmidt, W.F. (eds) Linking the Gaseous and Condensed Phases of Matter. NATO ASI Series, vol 326. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2540-0_25

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  • DOI: https://doi.org/10.1007/978-1-4615-2540-0_25

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-6083-4

  • Online ISBN: 978-1-4615-2540-0

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