A Family of Au-Tl Loosely Bound Buterfly Clusters
- Fernández, E.J. 1
- López-de-Luzuriaga, J.M. 1
- Olmos, M.E. 1
- Pérez, J. 1
- Laguna, A. 2
- Lagunas, M.C. 3
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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
Queen's University Belfast
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ISSN: 0020-1669
Año de publicación: 2005
Volumen: 44
Número: 17
Páginas: 6012-6018
Tipo: Artículo
beta Ver similares en nube de resultadosOtras publicaciones en: Inorganic Chemistry
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Resumen
By treatment of the polymeric species [AuTl(C6Cl 5)2]n with ketones or with acetylacetone and 4,4′-bipyridine, the new tetranuclear complexes [Au2Tl 2(C6Cl5)4]·L (L = PhMeC=O, acacH) or [Au2Tl2(C6Cl5) 4(bipy)]·(acacH) have been prepared. Their crystal structures have been determined by X-ray diffraction methods and they all present a central Au2Tl2 core formed via one Tl⋯Tl and four Au⋯Tl unsupported interactions resulting in a loosely bound butterfly cluster. These complexes are strongly luminescent in both the solid state and solution showing an optical behavior in agreement with the maintenance of the Tl⋯Tl contact even in solution. © 2005 American Chemical Society.