2,2′-二磺酰基-5,5′-双咪唑基-4,4′-二酮-二甲基甲酰胺-水的三维氢键组装(3/2/4)。

IF 0.8 4区 化学
De-Hong Wu
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引用次数: 1

摘要

标题化合物3C6H4N4O2S2·2C3H7NO·4H2O由3个2,2'-二磺胺基苯乙烯-5,5'-双咪唑烷基苯乙烯-4,4'-二酮分子、2个二甲基甲酰胺分子和4个水分子组成,它们围绕一个晶体学反转中心排列。5,5′-双咪唑烷基二烯分子内的非h原子是共面的,这些分子通过与环基序的N-H···S氢键相互作用聚集在一起[图集R2(2)(8)],形成接近平行的二维带状结构。两个独立的水分子结合形成中心对称的环状氢键(H2O)4四聚体单元[图集R4(4)(8)]。带状结构沿着a轴延伸,通过水四聚体和二甲基甲酰胺分子通过二中心和三中心氢键的组合连接在一起,形成一个整体的三维结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Three-dimensional hydrogen-bonded assembly in 2,2'-disulfanylidene-5,5'-biimidazolidinylidene-4,4'-dione-dimethylformamide-water (3/2/4).

The title compound, 3C6H4N4O2S2·2C3H7NO·4H2O, comprises three 2,2'-disulfanylidene-5,5'-biimidazolidinylidene-4,4'-dione molecules, two dimethylformamide molecules and four water molecules arranged around a crystallographic inversion centre. The non-H atoms within the 5,5'-biimidazolidinylidene molecule are coplanar and these molecules aggregate through N-H···S hydrogen-bonding interactions with cyclic motifs [graph set R2(2)(8)], giving two-dimensional ribbon structures which are close to being parallel. The two independent water molecules associate to form centrosymmetric cyclic hydrogen-bonded (H2O)4 tetrameric units [graph set R4(4)(8)]. The ribbon structures extend along the a axis and are linked through the water tetramers and the dimethylformamide molecules by a combination of two- and three-centre hydrogen bonds, giving an overall three-dimensional structure.

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来源期刊
自引率
12.50%
发文量
0
审稿时长
1 months
期刊介绍: Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.
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