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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4420

Title: Photoelectron spectroscopy of hydrated hexafluorobenzene anions
Authors: EUSTIS, SN
WANG, D
BOWEN, KH
PATWARI, GN
Keywords: o hydrogen-bond
ab-initio
water
clusters
fluorine
fluorobenzene
methanol
benzene
Issue Date: 2007
Publisher: AMER INST PHYSICS
Citation: JOURNAL OF CHEMICAL PHYSICS, 127(11), -
Abstract: We present a synergetic experimental/theoretical study of hydrated hexafluorobenzene anions. Experimentally, we measured the anion photoelectron spectra of the anions, C6F6-(H2O)(n) (n=0-2). The spectra show broad peaks, which shift to successively higher electron binding energies with the addition of each water molecule to the hexafluorobenzene anion. Complementing these results, we also conducted density functional calculations which link adiabatic electron affinities to the optimized geometric structures of the negatively charged species and their neutral counterparts. Neutral hexafluorobenzene-water complexes are not thought to be hydrogen bonded. In the case of C6F6-(H2O)(1), however, its water molecule was found to lie in the plane of the hexafluorobenzene anion, bound by two O-H center dot F ionic hydrogen bonds. Whereas in the case of C6F6-(H2O)(2), both water molecules also lie in the plane of and are hydrogen bonded to the hexafluorobenzene anion but on opposite ends. This study and that of Schneider [J. Chem. Phys. 127, 114311 (2007), preceding paper] are in agreement regarding the geometry of C6F6-(H2O)(1). (c) 2007
URI: http://dx.doi.org/10.1063/1.2768349
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4420
http://hdl.handle.net/10054/4420
ISSN: 0021-9606
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