6-Oxo-1,6-dihydropyridine-3-carboxylic acid

被引：7
|
作者：
Gupta, Salin [1 ]
Long, Sihui [1 ]
Li, Tonglei [1 ]
机构：
[1] Univ Kentucky, Dept Pharmaceut Sci, Lexington, KY 40506 USA
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2007年 / 63卷
基金：
美国海洋和大气管理局;
关键词：
D O I：
10.1107/S1600536807020958
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The title compound, C6H5NO3, commonly known as 6-hydroxynicotinic acid, is found to be a tautomer of it. Four molecules, all adopting a planar conformation, are found in the asymmetric unit. The compound forms hydrogen-bonded sheets parallel to the [ 001] direction via intermolecular N-H center dot center dot center dot O and O-H center dot center dot center dot O hydrogen bonds. Each sheet consists of interconnected dimers created by R-2(2)(8) N-H center dot center dot center dot O hydrogen-bonded motifs and infinite chains formed by C( 7) hydrogen-bonded motifs. Alternatively, these sheets can be viewed as infinitely fused 32-membered hydrogen-bonded rings.
引用
收藏
页码：O2784 / U1783
页数：12
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