Diaquabis(ethylenediamine-kappa N-2,N ')copper(II) bis(4-phenylbenzoate) 2.66-hydrate

resumo

In the title complex, [Cu(C2H8N2)(2)(H2O)(2)](C13H9O2)(2)center dot 2.66H(2)O,the Cu-II centre (located at an inversion centre) is coordinated by two bidentate ethylenediamine (en) ligands and two water O atoms in a typical Jahn-Teller distorted octahedral geometry. The amino groups and the water molecules are disordered over two distinct crystallographic positions with occupancies of 1/3 and 2/3. In the crystal, the cations and anions are disposed in alternating layers. One of the water molecules of crystallization is disordered and the other has a fractional occupation. In the 2/3 occupancy component, water molecules are organized into a chain composed of hexameric units interconnected by carboxylate bridges.

palavras-chave

COORDINATION POLYMERS; TRIMESIC ACID; ARCHITECTURES; FRAMEWORK

categoria

Crystallography

autores

Fernandes, JA; Ramos, AI; Silva, P; Braga, SS; Ribeiro-Claro, P; Rocha, J; Paz, FAA

nossos autores

agradecimentos

We are grateful to the Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) for their general financial support (R&D projects PTDC/QUI/65805/2006 and PDTC/QUI/69302/2006), for a post-doctoral research grant (under the former project), for the PhD grant SFRH/BD46601/2008, and also for specific funding toward the purchase of the singlecrystal diffractometer.

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