Gelbrich, Thomas, Bingham, Ann L., Threlfall, Terence L. and Hursthouse, Michael B.
Acta Crystallographica Section C Crystal Structure Communications, 64, (4), . (doi:10.1107/S0108270108005696).
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The ? polymorph of sulfanilamide (or 4-aminobenzenesulfonamide), C6H8N2O2S, displays an overall three-dimensional hydrogen-bonded network that is dominated by a two-dimensional substructure with R22(8) rings; these result from dimeric N—H...O interactions between adjacent sulfonamide groups. This study shows how the polymorphism of sulfanilamide is linked to its versatile hydrogen-bonding capabilities.
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