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2-(3,5-二甲基-1H-吡唑-1-基)-2-羟基-亚氨基-N'-[1-(吡啶-2-基)亚乙基]乙酰肼的第二种单斜多晶型物。

A second monoclinic polymorph of 2-(3,5-dimethyl-1H-pyrazol-1-yl)-2-hy-droxy-imino-N'-[1-(pyridin-2-yl)ethyl-idene]acetohydrazide.

作者信息

Plutenko Maxym O, Lampeka Rostislav D, Haukka Matti, Nordlander Ebbe

机构信息

Department of Chemistry, National Taras Shevchenko University, Volodymyrska Street 64, 01601 Kyiv, Ukraine.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2013 Apr 20;69(Pt 5):o765-6. doi: 10.1107/S1600536813009628. Print 2013 May 1.

DOI:10.1107/S1600536813009628
PMID:23723911
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3648291/
Abstract

The title compound, C14H16N6O2, is a second monoclinic polymorph of 2-[1-(3,5-dimeth-yl)pyrazol-yl]-2-hy-droxy-imino-N'-[1-(2-pyrid-yl)ethyl-idene] acetohydrazide, with two crystallographically independent mol-ecules per asymmetric unit. The non-planar mol-ecules are chemically equal having similar geometric parameters. The previously reported polymorph [Plutenko et al. (2012 ▶). Acta Cryst. E68, o3281] was described in space group Cc (Z = 4). The oxime group and the O atom of the amide group are anti with respect to the C-C bond. In the crystal, mol-ecules are connected by N-H⋯N hydrogen bonds into zigzag chains extending along the b axis.

摘要

标题化合物C14H16N6O2是2-[1-(3,5-二甲基)吡唑基]-2-羟基-亚氨基-N'-[1-(2-吡啶基)亚乙基]乙酰肼的第二种单斜晶系多晶型物，每个不对称单元中有两个晶体学独立分子。非平面分子在化学上是等同的，具有相似的几何参数。先前报道的多晶型物[Plutenko等人(2012 ▶)。Acta Cryst. E68, o3281]描述于空间群Cc (Z = 4)中。肟基和酰胺基的O原子相对于C-C键呈反式。在晶体中，分子通过N-H⋯N氢键连接成沿b轴延伸的锯齿链。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3236/3648291/c52a7b7fe458/e-69-0o765-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3236/3648291/673491a07135/e-69-0o765-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3236/3648291/c52a7b7fe458/e-69-0o765-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3236/3648291/673491a07135/e-69-0o765-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3236/3648291/c52a7b7fe458/e-69-0o765-fig2.jpg

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