Acta Cryst. (2012). E68, m1529
[ doi:10.1107/S1600536812047447 ]

Bromidotetrakis(2-ethyl-1H-imidazole-N³)copper(II) bromide

S. Godlewska, H. Kelm, H.-J. Krüger and A. Dolega

Abstract: The Cu^II ion in the title molecular salt, [CuBr(C₅H₈N₂)₄]Br, is coordinated in a square-pyramidal geometry by four N atoms of imidazole ligands and one bromide anion in the apical position. In the crystal, the ions are linked by N-HBr hydrogen bonds involving both the coordinating and the free bromide species as acceptors. A C-HBr interaction is also observed. Overall, a three-dimensional network results.

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