Acta Cryst. (2012). E68, o2348
[ doi:10.1107/S1600536812029832 ]
Abstract: The asymmetric unit of the title compound, C16H12Br4N2O2, comprises half of a potential tetradentate Schiff base ligand. The whole molecule is generated by an inversion center located in the middle of the C-C bond of the ethylene segment. There are intramolecular O-HN hydrogen bonds making S(6) ring motifs. In the crystal, no significant intermolecular interactions are observed.
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