Crystal structure of quinoline-2-carboxylic acid • quinolinium-2-carboxylate

被引：31
作者：
Dobrzynska, D
Jerzykiewicz, LB
机构：
[1] Wroclaw Univ Technol, Inst Inorgan Chem & Met Rare Elements, PL-50370 Wroclaw, Poland
[2] Univ Wroclaw, Fac Chem, PL-50138 Wroclaw, Poland
来源：
JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2004年 / 34卷 / 01期
关键词：
quinoline-2-carboxylic acid center dot quinolinium-2-carboxylate; tautomeric; dimers;
D O I：
10.1023/B:JOCC.0000014688.79954.ca
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Quinoline-2-carboxylic acid (quinaldic acid), C10H7NO2, crystallizes in the monoclinic space group P2(1)/c, a = 9.724(1) Angstrom, b = 5.937(1) Angstrom, c = 27.545(2) Angstrom, beta = 90.15(1)degrees, z = 4, and occurs in the crystal in two tautomeric forms: the neutral molecule and the zwitterion, with molecular ratio 1:1. The compound can be named quinoline-2-carboxylic acid . quinolinium-2-carboxylate. The crystal structure is built up of tautomeric pairs consisting of C9H6NCOOH and C9H6NH+COO- moieties, held up together by hydrogen bonds.
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页码：51 / 55
页数：5
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