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Intramolecular soft modes and intermolecular interactions in liquid acetone

På svenska

Author

  • Y. -P. Sun
  • Franz Hennies
  • Annette Pietzsch
  • Brian Kennedy
  • T. Schmitt
  • V. N. Strocov
  • J. Andersson
  • M. Berglund
  • J. -E. Rubensson
  • K. Aidas
  • F. Gel'mukhanov
  • M. Odelius
  • A. Foehlisch
Show all

Summary, in English

Resonant inelastic x-ray scattering spectra excited at the O1s(-1)pi* resonance of liquid acetone are presented. Scattering to the electronic ground state shows a resolved vibrational progression where the dominant contribution is due to the C-O stretching mode, thus demonstrating a unique sensitivity of the method to the local potential energy surface in complex molecular systems. For scattering to electronically excited states, soft vibrational modes and, to a smaller extent, intermolecular interactions give a broadening, which blurs the vibrational fine structure. It is predicted that environmental broadening is dominant in aqueous acetone.

Department/s

Publishing year

2011

Language

English

Publication/Series

Physical Review B (Condensed Matter and Materials Physics)

Volume

84

Issue

13

Document type

Journal article

Publisher

American Physical Society

Topic

  • Natural Sciences
  • Physical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1098-0121