Perhalophenyltetrahydrothiophenegold(I) as Lewis Base in Acid-Base Reactions with Silver Trifluoroacetate
- Fernández, E.J. 1
- Jones, P.G. 3
- Laguna, A. 2
- López-De-Luzuriaga, J.M. 1
- Monge, M. 1
- Olmos, M.E. 1
- Puelles, R.C. 1
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1
Universidad de La Rioja
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2
Instituto de Nanociencia y Materiales de Aragón
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3
Braunschweig University of Technology
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ISSN: 0276-7333
Any de publicació: 2007
Volum: 26
Número: 24
Pàgines: 5931-5939
Tipus: Article
beta Ver similares en nube de resultadosAltres publicacions en: Organometallics
Resum
Reaction of [Ag(CF3CO2)] with [Au(C6X 5)(tht)] (X = halogen, tht = tetrahydrothiophene) leads to the synthesis of complexes [AgAu(C6F5)(CF3CO 2)(tht)]n (1), [Ag2Au(C6Cl 2F3)(CF3CO2)2(tht)] n (2), or [AgAu(C6Cl5)(CF3CO 2)(tht)]n (3), confirming the capability of a neutral complex, such as a perhalophenyl-(tetrahydrothiophene)gold(I), to act as electron density donor when treated with a Lewis acid substrate. All three crystal structures have been established by X-ray diffraction; all display Au⋯Ag and Ag⋯Ag interactions and polymeric 1D (2, 3) or 2D (1) networks built by means of additional Au⋯Au, Ag-O⋯Ag, or Au-S⋯Ag interactions. Complexes 1-3 are luminescent in the solid state at room temperature, and at 77 K or in frozen solutions they show a different luminescence in the solid state, which seems to be related to the different number and types of metal-metal interactions present in each case. DFT and TDDFT calculations on simplified model systems of 1-3 have also been carried out. © 2007 American Chemical Society.