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Intramolecular soft modes and intermolecular interactions in liquid acetone
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2011 (English)In: Physical Review B Condensed Matter, ISSN 0163-1829, E-ISSN 1095-3795, Vol. 84, no 13, 132202- p.Article in journal (Refereed) Published
Abstract [en]

Resonant inelastic x-ray scattering spectra excited at the O1s−1π* 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.
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Physical Sciences
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URN: urn:nbn:se:su:diva-66355DOI: 10.1103/PhysRevB.84.132202ISI: 000296372300001OAI: diva2:467556
Swedish Research Council
Available from: 2011-12-19 Created: 2011-12-19 Last updated: 2012-01-29Bibliographically approved

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