Acta Cryst. (2013). E69, o769-o770 [ doi:10.1107/S1600536813010374 ]
Abstract: In the title compound, C19H16BrClO4, both the fused xanthene rings and one of the cyclohexane rings adopt envelope conformations, while the other cyclohexane ring is in a chair conformation. In the crystal, molecules are linked by C-HO hydrogen bonds, forming infinite chains running along [10-1] incorporating R22(16) ring motifs. In addition, C-H interactions and weak - stacking interactions [centroid-centroid distance = 3.768 (3) Å] help to consolidate the packing.
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