Crystal structure of 2-methyl­piperazine-1,4-diium bis­(hydrogen maleate)

In the title salt, C(5)H(14)N(2) (2+)·2C(4)H(3)O(4) (−), 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...

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Detalles Bibliográficos
Autores principales: Wecharine, Intissar, Valkonen, Arto, Rzaigui, Mohamed, Smirani Sta, Wajda
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2015
Materias:
Data Reports
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4350694/
https://www.ncbi.nlm.nih.gov/pubmed/25844244
http://dx.doi.org/10.1107/S2056989015003102
Descripción
Sumario:In the title salt, C(5)H(14)N(2) (2+)·2C(4)H(3)O(4) (−), 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).

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