Graham Smith, U. Wermuth, J. White
Feb 1, 2005
Citations
1
Influential Citations
6
Citations
Journal
Acta Crystallographica Section E-structure Reports Online
Abstract
The crystal structure of the anhydrous 1:1 proton-transfer compound of 5-sulfosalicylic acid (3-carboxy-4-hydroxybenzenesulfonic acid) with 4-aminobenzoic acid, viz. 4-carboxyanilinium 3-carboxy-4-hydroxybenzenesulfonate, C7H8NO2+·C7H5O6S−, displays a hydrogen-bonded polymeric network structure involving primarily all aminium H-atom donors and sulfonate O-atom acceptors, and is propagated through homomolecular cyclic tail-to-tail interactions between the carboxylic acid substituent groups of both cation and anion species. In addition, there are some cation–anion π–π stacking associations.