Intramolecular soft modes and intermolecular interactions in liquid acetone

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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.

Metadaten
Author details:	Y. -P. Sun, Franz Hennies, Annette Pietzsch ORCiD, B. Kennedy, Thorsten Schmitt, Vladimir N. Strocov, Joakim Andersson, Martin Berglund, Jan-Erik Rubensson, K. Aidas, F. Gel'mukhanov, Michael Odelius ORCiD, Alexander Föhlisch ORCiD GND
DOI:	https://doi.org/10.1103/PhysRevB.84.132202
ISSN:	1098-0121
Title of parent work (English):	Physical review : B, Condensed matter and materials physics
Publisher:	American Physical Society
Place of publishing:	College Park
Publication type:	Article
Language:	English
Year of first publication:	2011
Publication year:	2011
Release date:	2017/03/26
Volume:	84
Issue:	13
Number of pages:	4
Funding institution:	Swedish Research Council (V.R.); Carl Tryggers Foundation; Magnus Bergvall Foundation; Natural Science Foundation of China [10974121]; National Basic Research Program of China [2006CB806000]; European Community [226716]
Organizational units:	Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer review:	Referiert