Please use this identifier to cite or link to this item: https://doi.org/10.1039/c1nj20194h
Title: π-Complexed polyfluoroarenes: A reactivity, bonding and spectroscopic study of (η6-C6F6)Cr(η6- C6H6) and related molecules
Authors: McGlinchey, M.J.
Wong, M.W. 
Issue Date: Oct-2011
Citation: McGlinchey, M.J., Wong, M.W. (2011-10). π-Complexed polyfluoroarenes: A reactivity, bonding and spectroscopic study of (η6-C6F6)Cr(η6- C6H6) and related molecules. New Journal of Chemistry 35 (10) : 2066-2073. ScholarBank@NUS Repository. https://doi.org/10.1039/c1nj20194h
Abstract: The syntheses, structures and reactivity of fluorinated di-arene chromium sandwich complexes (chromarenes) are reviewed, and their bonding characteristics probed by an analysis of their spectroscopic properties. In particular, density functional theory, together with a detailed vibrational study of (C 6F6)Cr(C6H6), has been used to study a system containing the very rare hexahapto-coordinated hexafluorobenzene ligand. The structural, reactivity and spectroscopic data yield a consistent picture whereby electron density is transferred from the chromium to both rings, but to a much greater extent to the fluorinated ligand. The result is a marked decrease in the stretching and bending vibrational modes of the fluorinated ring, and also dramatic changes in the 19F NMR chemical shifts and coupling constants. This contrasts with the situation in the organic mixed arene system C6F6/C6H6 where intermolecular interactions are rather minimal. © 2011 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
Source Title: New Journal of Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/95586
ISSN: 11440546
DOI: 10.1039/c1nj20194h
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