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          Institute: Fritz-Haber-Institut     Collection: Molecular Physics     Display Documents



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ID: 287307.0, Fritz-Haber-Institut / Molecular Physics
Infrared spectroscopy of hydrated sulfate dianions.
Authors:Zhou, Jia; Santambrogio, Gabriele; Brümmer, Mathias; Moore, David T.; Wöste, Ludger; Meijer, Gerard; Neumark, Daniel M.; Asmis, Knut R.
Language:English
Date of Publication (YYYY-MM-DD):2006-09-21
Title of Journal:Journal of Chemical Physics
Journal Abbrev.:J. Chem. Phys.
Volume:125
Start Page:111102-1
End Page:111102-4
Copyright:©2006 American Institute of Physics
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We report the first infrared spectra of multiply-charged anions in the gas phase. The spectra of SO₄²⁻·(H2O)n, with n=3–24, show four main bands assigned to two vibrations of the dianionic core, the water bending mode, and solvent libration. The triply degenerate SO₄²⁻ antisymmetric stretch vibration probes the local solvent symmetry, while the solvent librational band is sensitive to the hydrogen bonding network. The spectra and accompanying electronic structure calculations indicate a highly symmetric structure for the n=6 cluster and closure of the first solvation shell at n=12
External Publication Status:published
Document Type:Article
Communicated by:Gerard Meijer
Affiliations:Fritz-Haber-Institut/Molecular Physics
External Affiliations:Department of Chemistry, University of California, Berkeley, California 94720 and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720;
Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany;
Identifiers:URL:http://scitation.aip.org/getabs/servlet/GetabsServ...
DOI:10.1063/1.2351675
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