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An Eu-based metal-organic framework: Poly[[tris(μ4-benzene-1, 4-dicarboxylato)bis(μ2-N,N-diethylformamide)dieuropium(III)] 0.7-hydrate]

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The crystal structure of the title compound, {[Eu2(C 8H4O4)3(C5H 11NO)2]·0.7H2O}n, consists of chains formed by Eu atoms connected by the carboxylate groups of the benzene-1,4-dicarboxylate (BDC) linker. The chains are interconnected by BDC linkers, generating a three-dimensional framework with large voids. The Eu atoms are coordinated by seven carboxylate O atoms and one solvent O atom in a sterically constrained manner due to the carboxylate group rigidity, and this causes the coordination to be distorted dodecahedral. The ethyl groups of the solvent ligand are disordered in the void. The elongated Eu-O bond to the solvent indicates that it is loosely bound to the framework, and hence solvent exchange may be possible. In the void there is additionally one partly occupied disordered water molecule.

Original languageEnglish
JournalActa Crystallographica Section E: Structure Reports Online
Pages (from-to)m3333-m3335
Publication statusPublished - Dec 2006

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