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Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)

In the crystal structure of the title compound, C(6)H(9)N(2) (+)·0.5C(4)H(2)O(4) (2−)·0.5C(4)H(6)O(4), the fumarate dianion and fumaric acid mol­ecule are located on inversion centres. The 2-amino-5-methyl­pyrimidinium cation inter­acts with the carboxyl­ate group of the fumarate anion through a pai...

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Autores principales: Hemamalini, Madhukar, Fun, Hoong-Kun
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3007292/
https://www.ncbi.nlm.nih.gov/pubmed/21588388
http://dx.doi.org/10.1107/S1600536810027960
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author Hemamalini, Madhukar
Fun, Hoong-Kun
author_facet Hemamalini, Madhukar
Fun, Hoong-Kun
author_sort Hemamalini, Madhukar
collection PubMed
description In the crystal structure of the title compound, C(6)H(9)N(2) (+)·0.5C(4)H(2)O(4) (2−)·0.5C(4)H(6)O(4), the fumarate dianion and fumaric acid mol­ecule are located on inversion centres. The 2-amino-5-methyl­pyrimidinium cation inter­acts with the carboxyl­ate group of the fumarate anion through a pair of N—H⋯O hydrogen bonds, forming an R (2) (2)(8) ring motif. These motifs are centrosymmetrically paired via N—H⋯O hydrogen bonds, forming a complementary DDAA array. The carboxyl groups of the fumaric acid mol­ecules and the carboxyl­ate groups of the fumarate anions are hydrogen bonded through O—H⋯O hydrogen bonds, leading to a supra­molecular chain along [101]. The crystal structure is further stabilized by weak C—H⋯O hydrogen bonds.
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spelling pubmed-30072922010-12-30 Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1) Hemamalini, Madhukar Fun, Hoong-Kun Acta Crystallogr Sect E Struct Rep Online Organic Papers In the crystal structure of the title compound, C(6)H(9)N(2) (+)·0.5C(4)H(2)O(4) (2−)·0.5C(4)H(6)O(4), the fumarate dianion and fumaric acid mol­ecule are located on inversion centres. The 2-amino-5-methyl­pyrimidinium cation inter­acts with the carboxyl­ate group of the fumarate anion through a pair of N—H⋯O hydrogen bonds, forming an R (2) (2)(8) ring motif. These motifs are centrosymmetrically paired via N—H⋯O hydrogen bonds, forming a complementary DDAA array. The carboxyl groups of the fumaric acid mol­ecules and the carboxyl­ate groups of the fumarate anions are hydrogen bonded through O—H⋯O hydrogen bonds, leading to a supra­molecular chain along [101]. The crystal structure is further stabilized by weak C—H⋯O hydrogen bonds. International Union of Crystallography 2010-07-24 /pmc/articles/PMC3007292/ /pubmed/21588388 http://dx.doi.org/10.1107/S1600536810027960 Text en © Hemamalini and Fun 2010 http://creativecommons.org/licenses/by/2.0/uk/ This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
spellingShingle Organic Papers
Hemamalini, Madhukar
Fun, Hoong-Kun
Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)
title Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)
title_full Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)
title_fullStr Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)
title_full_unstemmed Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)
title_short Bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)
title_sort bis­(2-amino-5-methyl­pyridinium) fumarate–fumaric acid (1/1)
topic Organic Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3007292/
https://www.ncbi.nlm.nih.gov/pubmed/21588388
http://dx.doi.org/10.1107/S1600536810027960
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