Intramolecular soft modes and intermolecular interactions in liquid acetone

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

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

43 Citeringar (SciVal)

Sammanfattning

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.
Originalspråkengelska
Artikelnummer132202
TidskriftPhysical Review B (Condensed Matter and Materials Physics)
Volym84
Utgåva13
DOI
StatusPublished - 2011

Ämnesklassifikation (UKÄ)

  • Naturvetenskap
  • Fysik

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