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Open AccessArticle10.1107/s1600536810032290

2-Amino-5-chloropyridinium 3-carboxy-4-hydroxybenzenesulfonate

Madhukar Hemamalini,Hoong‐Kun Fun-2010-08-17-Acta Crystallographica Section E Structure Reports Online

TL;DRAbstract

The asymmetric unit of the title salt, C(5)H(6)BrN(2) (+)·C(7)H(5)O(6)S(-), contains two independent 2-amino-5-bromo-pyridinium cations and two independent 3-carb-oxy-4-hy-droxy-benzene-sulfonate anions. The hy-droxy and carboxyl groups of the anions are involved in intra-molecular O-H⋯O hydrogen bonds, which generate S(6) ring motifs. In the crystal structure, the ions are linked by N-H⋯O and O-H⋯O hydrogen bonds into a two-dimensional network parallel to (110). Adjacent networks are linked via C-H⋯O hydrogen bonds.

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The asymmetric unit of the title salt, C(5)H(6)BrN(2) (+)·C(7)H(5)O(6)S(-), contains two independent 2-amino-5-bromo-pyridinium cations and two independent 3-carb-oxy-4-hy-droxy-benzene-sulfonate anions. The hy-droxy and carboxyl groups of the anions are involved in intra-molecular O-H⋯O hydrogen bonds, which generate S(6) ring motifs. In the crystal structure, the ions are linked by N-H⋯O and O-H⋯O hydrogen bonds into a two-dimensional network parallel to (110). Adjacent networks are linked via C-H⋯O hydrogen bonds.

Keywords

Hydrogen bondChemistryPyridiniumPyridineCrystal structureRing (chemistry)BenzeneSulfonate

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