2-Pyridone: monoclinic polymorph

被引：14
|
作者：
Arman, Hadi D. [3 ]
Poplaukhin, Pavel [2 ]
Tiekink, Edward R. T. [1 ]
机构：
[1] Univ Malaya, Dept Chem, Kuala Lumpur 50603, Malaysia
[2] Chem Abstracts Serv Inc, Columbus, OH 43202 USA
[3] Univ Texas San Antonio, Dept Chem, San Antonio, TX 78249 USA
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2009年 / 65卷
关键词：
DENSITY;
D O I：
10.1107/S1600536809049496
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The asymmetric unit in the title compound, C(5)H(5)NO, comprises two independent but virtually identical molecules of 2-pyridone, and represents a monoclinic polymorph of the previously reported orthorhombic (P212121) form [Penfold (1953). Acta Cryst. 6, 591-600; Ohms et al. (1984). Z. Kristallogr. 169, 185-200; Yang & Craven (1998). Acta Cryst. B54, 912-920]. The independent molecules are linked into supramolecular dimers via eight-membered {center dot center dot center dot HNC(O)}(2) amide synthons in contrast to the helical supramolecular chains, mediated by {center dot center dot center dot HNC(O)} links, found in the orthorhombic form.
引用
收藏
页码：O3187 / U1417
页数：9
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