Crystal structures of 4-phenyl­piperazin-1-ium 6-chloro-5-ethyl-2,4-dioxopyrimidin-1-ide and 4-phenyl­piperazin-1-ium 6-chloro-5-isopropyl-2,4-dioxopyrimidin-1-ide

The title mol­ecular salts, C(10)H(15)N(2) (+)·C(6)H(6)ClN(2)O(2) (−), (I), and C(10)H(15)N(2) (+)·C(7)H(8)ClN(2)O(2) (−), (II), consist of 4-phenyl­piperazin-1-ium cations with a 6-chloro-5-ethyl-2,4-dioxopyrimidin-1-ide anion in (I) and a 6-chloro-5-isopropyl-2,4-dioxopyrimidin-1-ide anion in (II)...

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Detalles Bibliográficos
Autores principales: Al-Alshaikh, Monirah A., El-Emam, Ali A., Al-Deeb, Omar A., Abdelbaky, Mohammed S. M., Garcia-Granda, Santiago
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2015
Materias:
Research Communications
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4571366/
https://www.ncbi.nlm.nih.gov/pubmed/26396765
http://dx.doi.org/10.1107/S2056989015013298
Descripción
Sumario:The title mol­ecular salts, C(10)H(15)N(2) (+)·C(6)H(6)ClN(2)O(2) (−), (I), and C(10)H(15)N(2) (+)·C(7)H(8)ClN(2)O(2) (−), (II), consist of 4-phenyl­piperazin-1-ium cations with a 6-chloro-5-ethyl-2,4-dioxopyrimidin-1-ide anion in (I) and a 6-chloro-5-isopropyl-2,4-dioxopyrimidin-1-ide anion in (II). Salt (I) crystallizes with two independent cations and anions in the asymmetric unit. In the crystal structures of both salts, the ions are linked via N—H⋯O and N—H⋯N hydrogen bonds, forming sheets which are parallel to (100) in (I) and to (001) in (II). In (I), the sheets are linked via C—H⋯Cl hydrogen bonds, forming a three-dimensional framework.

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