Acta Cryst. (2008). E64, m1310  [ doi:10.1107/S1600536808029681 ]

Hexa-₂-acetato-¹²O:O'-₃-oxido-tris[aquachromium(III)] nitrate acetic acid solvate

M. J. Maah, C. I. Abdullah, S. N. Gan, A. Mohd Jelan and S. W. Ng

Abstract: In the crystal structure of the title salt, [Cr₃(C₂H₃O₂)₆O(H₂O)₃]NO₃·CH₃CO₂H, the trinuclear [Cr₃(CH₃CO₂)₆O(H₂O)₃] cluster cation has an oxide O atom that is connected to three water-coordinated Cr^III atoms, the three metal atoms forming the points of an equilateral triangle. Each of the six acetate carboxylate groups bridges a Cr-O-Cr fragment. The cluster cation interacts with the nitrate counter-ion and solvent molecules through O-HO hydrogen bonds, forming a three-dimensional hydrogen-bonded network.

Online 24 September 2008

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