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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of 2-methyl­piperazine-1,4-diium bis­(hydrogen maleate)
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Crystal structure of 2-methyl­piperazine-1,4-diium bis­(hydrogen maleate)

机译:2-甲基哌嗪-1,4-双(马来酸氢二甲酯)的晶体结构

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摘要

In the title salt, C5H14N22+·2C4H3O4−, the asymmetric unit contains two independent 2-methyl­piperazinium dications, which comprise a racemic pair, and four hydrogen maleate monoanions. In the roughly planar hydrogen maleate anions, intra­molecular O—H⋯O hydrogen bonds generate S(7) rings. In the crystal, the four independent anions are linked to the 2-methyl­piperazinium cations through N—H⋯O hydrogen bonds, forming two-dimensional layered structures lying parallel to (001).
机译:在标题盐C5H14N22 +·2C4H3O4-中,不对称单元包含两个独立的2-甲基哌嗪鎓离子,包括外消旋对,和四个马来酸氢根单阴离子。在大致平面的马来酸氢根阴离子中,分子内OH⋯O氢键生成S(7)环。在晶体中,四个独立的阴离子通过N-H = O氢键与2-甲基哌嗪鎓阳离子相连,形成平行于(001)的二维分层结构。

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