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Intramolecular soft modes and intermolecular interactions in liquid acetone
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Soft X-Ray Physics.
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2011 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 84, no 13, 132202- p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2011. Vol. 84, no 13, 132202- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-161934DOI: 10.1103/PhysRevB.84.132202ISI: 000296372300001OAI: oai:DiVA.org:uu-161934DiVA: diva2:458511
Available from: 2011-11-23 Created: 2011-11-21 Last updated: 2012-03-14Bibliographically approved

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Hennies, FranzAndersson, JoakimRubensson, Jan-Erik
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