Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 5 (May 2013)

organic compounds

Acta Cryst. (2013). E69, o769-o770    [ doi:10.1107/S1600536813010374 ]


A. R. Kennedy, M. Akkurt, S. K. Mohamed, A. A. Abdelhamid and A. A. E. Marzouk

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-H...O hydrogen bonds, forming infinite chains running along [10-1] incorporating R22(16) ring motifs. In addition, C-H...[pi] inter­actions and weak [pi]-[pi] stacking inter­actions [centroid-centroid distance = 3.768 (3) Å] help to consolidate the packing.

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