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Acta Cryst. (2005). E61, m1625-m1627  [ doi:10.1107/S1600536805023172 ]

cis-(Carbonato-[kappa]2O,O')(rac-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-[kappa]4N)chromium(III) bromide monohydrate

L. Dobrzanska

Abstract: In the title compound, [Cr(CO3)(C16H36N4)]Br·H2O, the chromium cation has a distorted octahedral geometry with ligation provided by the four N atoms of the `folded' macrocyclic ligand and by two O atoms of the bidentate carbonate anion. Two neighbouring chromium complexes are bridged by two strong N-H...O hydrogen bonds to form dimeric units which, in turn, are constituents of infinite chains formed by virtue of three other types of hydrogen bonds (N-H...Br, N-H...Ow and Ow-H...Br).

Online 27 July 2005


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