3‐Carboxyanilinium 3‐carboxy‐4‐hydroxybenzenesulfonate: the 1:1 proton‐transfer compound of 5‐sulfosalicylic acid with 3‐aminobenzoic acid | Zendy

Smith Graham | Zendy

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3‐Carboxyanilinium 3‐carboxy‐4‐hydroxybenzenesulfonate: the 1:1 proton‐transfer compound of 5‐sulfosalicylic acid with 3‐aminobenzoic acid

Author(s) -

Smith Graham

Publication year - 2005

Publication title -

acta crystallographica section e

Language(s) - English

Resource type - Journals

ISSN - 1600-5368

DOI - 10.1107/s1600536805029491

Subject(s) - sulfosalicylic acid , benzoic acid , chemistry , hydrogen bond , sulfonic acid , anhydrous , sulfonate , crystal structure , ring (chemistry) , aminobenzoic acid , benzene , carboxylic acid , proton , ion , medicinal chemistry , cocrystal , polymer chemistry , crystallography , organic chemistry , inorganic chemistry , molecule , sodium , physics , quantum mechanics

The crystal structure of the anhydrous 1:1 proton‐transfer compound of 5‐sulfosalicylic acid (3‐carboxy‐4‐hydroxybenzenesulfonic acid) with 3‐aminobenzoic acid, C 7 H 8 NO 2 + ·C 7 H 5 O 6 S − , shows heteromeric cyclic R 2 2 (8) carboxylic acid dimers formed through hydrogen‐bonding interactions between the cation and anion species. Aminium–sulfonate N—H⋯O interactions link these dimers into zigzag chains and also give interchain associations. Cation–anion π–π ring interactions are also present, resulting in a three‐dimensional layered polymer structure.

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