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Co-existence of water-mediated and normal base pairs in a supramolecular ribbon in 2-amino-4,6-dimethylpyrimidinium bromide 2-amino-4,6-dimethylpyrimidine monohydrate.
- Source :
-
Acta Crystallographica: Section E . May2004, Vol. 60 Issue 5, po747-o749. 3p. 3 Diagrams, 2 Charts. - Publication Year :
- 2004
-
Abstract
- In the crystal structure of the title compound, C6H10N3+·Br−·C6H9N3·H2O, the asymmetric unit contains a 2-amino-4,6-di­methyl­pyrimidinium cation, a Br− anion, a neutral 2-amino-4,6-di­methyl­pyrimidine mol­ecule and a water mol­ecule. Each neutral base molecule is paired with another inversion-related molecule through N—H⋯N hydrogen bonds to form dimers, and these are linked to one another through water-mediated hydrogen bonds, generating a supramolecular ribbon. The cations also pair with one another through N—H⋯N hydrogen bonds. The cation pairs are stacked on top of the neutral pairs. The Br− anion also takes part in hydrogen bonding (N/O—H⋯Br). [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 16005368
- Volume :
- 60
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Acta Crystallographica: Section E
- Publication Type :
- Academic Journal
- Accession number :
- 18816184
- Full Text :
- https://doi.org/10.1107/S1600536804007597