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Acta Cryst. (2013). E69, o1102-o1103  [ doi:10.1107/S1600536813016000 ]


G. B. Hall, F. Medda, S. A. Roberts and C. Hulme

Abstract: In the title molecule, C21H20BrClN6O2, the chloro-substituted benzene ring forms a dihedral angle of 77.84 (7)° with the tetrazole ring and the bromo-substituted ring forms a dihedral angle of 43.95 (6)° with the imidazole ring. The dihedral angle between the tetrazole and imidazole rings is 67.42 (8)°. The terminal methyl group of the butyl substituent is disordered over two sets of sites, with refined occupancies 0.67 (3) and 0.33 (3). In the crystal, there is a short Br...N contact of 3.183 (2) Å.

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