Study of the Nature of Closed-Shell HgII⋯MI (M = Cu, Ag, Au) Interactions
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Universidad de La Rioja
info
ISSN: 0276-7333
Year of publication: 2015
Volume: 34
Issue: 12
Pages: 3029-3038
Type: Article
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Abstract
Heteronuclear complexes [HgM(o-C<inf>6</inf>H<inf>4</inf>PPh<inf>2</inf>)<inf>2</inf>]X (M = Au, X = ClO<inf>4</inf> (1); M = Ag, X = BF<inf>4</inf> (2); M = Ag, X = CF<inf>3</inf>CO<inf>2</inf> (3); M = Cu, X = Br (4)) were prepared by the treatment of [Hg(o-C<inf>6</inf>H<inf>4</inf>PPh<inf>2</inf>)<inf>2</inf>] with one equivalent of the corresponding coinage metal salt. Their crystal structures, determined by X-ray diffraction methods, display HgII⋯MI (M = Au, Ag, Cu) contacts. Ab initio calculations show similar interaction energies (ca.40 kJ·mol-1) and similar origin (dispersive forces) for these Hg⋯Au, Hg⋯Ag, and Hg⋯Cu interactions. (Chemical Presented). © 2015 American Chemical Society.