Two new polymorphs of 4-(N,N-dimethylamino)benzoic acid

被引：7
|
作者：
Aakeröy, CB [1 ]
Desper, J [1 ]
Levin, B [1 ]
机构：
[1] Kansas State Univ, Dept Chem, Manhattan, KS 66506 USA
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2005年 / 61卷 / 12期
关键词：
D O I：
10.1107/S0108270105035122
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two new polymorphs of 4-(N,N-dimethylamino) benzoic acid, C9H11NO2, resulting from the attempted cocrystallization in ethanol of 4-(N,N-dimethylamino) benzoic acid and a mixture of 3-(N, N-dimethylamino) benzoic acid and 3-(3-pyridyl)-2-pyridone producing one polymorph, and a mixture of 3-(N,N-dimethylamino) benzoic acid and 5-methoxy-3,3'-bipyridine producing the second polymorph, have been crystallographically characterized. The primary intermolecular O - H center dot center dot center dot O hydrogen bonds generate a dimeric acid - acid motif that is present in all three polymorphs.
引用
收藏
页码：O702 / O704
页数：3
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