The 1:1 proton-transfer compound of 5-sulfosalicylic acid with 4-aminobenzoic acid

被引:28
作者
Smith, G
Wermuth, UD
White, JM
机构
[1] Queensland Univ Technol, Sch Phys & Chem Sci, Brisbane, Qld 4001, Australia
[2] Univ Melbourne, Sch Chem, Parkville, Vic 3052, Australia
来源
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2005年 / 61卷
关键词
D O I
10.1107/S1600536805000152
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
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 pi-pi stacking associations.
引用
收藏
页码:O313 / O316
页数:4
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