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两性离子4-羧基-2-(1-甲基吡啶-1-鎓-4-基)-1H-咪唑-5-羧酸盐

Zwitterionic 4-carb-oxy-2-(1-methyl-pyridin-1-ium-4-yl)-1H-imidazole-5-carboxyl-ate.

作者信息

Liu Dao-Sen, Fang Jun-Guo

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2012 Feb 1;68(Pt 2):o358. doi: 10.1107/S1600536811055644. Epub 2012 Jan 11.

DOI:10.1107/S1600536811055644
PMID:22346985
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3275040/
Abstract

In the title zwitterionic mol-ecule, C(11)H(9)N(3)O(4), the imidazole and pyridine rings form a dihedral angle of 2.60 (2)°. An intra-molecular O-H⋯O hydrogen bond occurs. In the crystal, pairs of N-H⋯O hydrogen bonds link the mol-ecules into inversion dimers. Weak inter-molecular C-H⋯O inter-actions further consolidate the crystal packing.

摘要

在两性离子分子C(11)H(9)N(3)O(4)中,咪唑环和吡啶环形成的二面角为2.60 (2)°。存在分子内O—H⋯O氢键。在晶体中,N—H⋯O氢键对将分子连接成反演二聚体。弱的分子间C—H⋯O相互作用进一步巩固了晶体堆积。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9d5/3275040/531be21db4c3/e-68-0o358-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9d5/3275040/51099958a186/e-68-0o358-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9d5/3275040/531be21db4c3/e-68-0o358-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9d5/3275040/51099958a186/e-68-0o358-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9d5/3275040/531be21db4c3/e-68-0o358-fig2.jpg

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