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Acta Cryst. (2013). E69, o1172  [ doi:10.1107/S1600536813017303 ]

N,N'-Diphenyl-9,10-dioxo-9,10-dihydroanthracene-2,7-disulfonamide

W.-G. Yuan and H.-L. Zhang

Abstract: The title molecule, C26H18N2O6S2, has an overall Z-shaped conformation, in which the benzene rings are inclined to the anthraquinone mean plane by 60.60 (9) and 50.66 (13)°. In the crystal, N-H...O and C-H...O hydrogen bonds link the molecules into layers parallel to the bc plane.


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