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Title: Molecular structure of 8-hydroxy-1-methylquinolinium iodide hydrate in crystal and solution
Authors: Barczyński, Piotr
Komasa, Anna
Ratajczak-Sitarz, Małgorzata
Katrusiak, Andrzej
Brzezinski, Bogumil
Keywords: 8-hydroxy-1-methylquinolinium cation
intermolecular hydrogen bonds
X-ray structure
FT-IR, H-1 NMR, C-13 NMR
Issue Date: 29-Jun-2006
Citation: Journal of Molecular Structure 791 (2006) 106–110
Abstract: 8-Hydroxy-1-methylquinolinium iodide monohydrate [(C10H10NO)I-+(-) H2O] has been studied by X-ray diffraction, FF-IR, H-1 and C-13 NMR spectroscopy. In the crystalline state, the iodide anion is hydrogen-bonded to the water molecule, which in turn is hydrogen bonded to the 8-OH group of the 8-hydroxyquinolinium ring, forming of a symmetric dimer. In acetonitrile and DMSO-d(6) the hydrate assumes a new structure due to almost complete dissociation of the water molecule from the complex structure. In acetonitrile the 8-OH group is hydrogen-bonded to the iodide anion, whereas in DMSO-d(6) it forms the hydrogen bond with the solvent molecules. This 8-OH... O(DMSO-d(6)) hydrogen bond is the strongest within the structure of the hydrate.
ISSN: 0022-2860
Appears in Collections:Artykuły naukowe (WCh)

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