Résumé
The crystal structure of (UO2)(4)(pdzdc)(3)(OH)(2)(H2O)(5)center dot 11H(2)O (pdzdc = pyridazine-3,6-dicarboxylate) consists of two distinct dinuclear motifs [(UO2)(2)N4O11] and [(UO2)(2)N2O10] with eight-fold and seven-fold coordinations for the uranium centers, respectively. The uranium atoms having the same environment are bridged through a mu(2)-hydroxo group to each other. The dimeric units are connected to each other through a carboxylate arm from a pdzdc molecule to generate tetranuclear building blocks, which are further assembled into a three-dimensional network by hydrogen bonding. Preliminary investigation of fluorescence property of the complex is presented as well as Raman and Infrared spectroscopies. (C) 2010 Elsevier B.V. All rights reserved.