Crystal structure of bis(μ2-tetrabromophthalato-κ2O1:O2)bis[aqua(N,N,N′,N′-tetramethylethane-1,2-diamine-κ2N,N′)copper(II)]

In the title complex, [Cu2(C8Br4O4)2(C6H16N2)2(H2O)2], the CuII cation is chelated by a tetramethylethane-1,2-diamine ligand and coordinated by a water molecule as well as bridged by two tetrabromophthalate anions in a distorted O3N2 trigonal–bipyramidal geometry. The two symmetry-related tetrabromophthalate anions bridge the two CuII cations, forming a centrosymmetric dinuclear complex in which the Cu...Cu separation is 5.054 (2) Å. Intramolecular classic O—H...O hydrogen bonds and weak C—H...O hydrogen bonds occur in the dinuclear molecule. In the crystal, the molecules are linked by weak C—H...Br and C—H...O interactions into supramolecular chains propagating along the b-axis direction.

Abstract licence: CC BY

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