Acta Cryst. (2007). E63, o4123-o4124  [ doi:10.1107/S1600536807045977 ]

3-Bromo-1-(2,4-dichlorophenyl)-2-methoxy-3-(4-methoxyphenyl)propan-1-one-2-bromo-3-(3-chloro-4-methoxyphenyl)-1-(4-chlorophenyl)-3-methoxypropan-1-one (0.91/0.09)

R. J. Butcher, J. P. Jasinski, B. Narayana, A. N. Mayekar and H. S. Yathirajan

Abstract: The title co-crystal, 0.91C₁₇H₁₅BrCl₂O₃·0.09C₁₇H₁₅BrCl₂O₃, is a disordered mixture of two isomeric compounds. The ratio of the major and minor components in the co-crystal was obtained by refinement as 0.911 (3):0.089 (3). The dihedral angle between the two aromatic rings is 42.5 (2)°. Crystal packing is stabilized by intermolecular C-HO hydrogen-bonding interactions which link the molecules into cyclic centrosymmetric R₂²(24) dimers.

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