Acta Crystallographica Section C

Crystal Structure Communications

Volume 58, Part 1 (January 2002)

Acta Cryst. (2002). C58, o19-o21 [doi:10.1107/S0108270101018224]

Powder diffraction study of the hydrogen bonds in nitroxoline and its hydrochloride

A. V. Yatsenko, K. A. Paseshnichenko, V. V. Chernyshev and H. Schenk

Abstract: The crystal structures of 8-hydroxy-5-nitroquinoline, C₉H₆N₂O₃, (I), and 8-hydroxy-5-nitroquinolinium chloride, C₉H₇N₂O₃⁺·Cl^-, (II), have been determined from X-ray powder data. In (I), the molecules are linked via moderately strong hydrogen bonds to form dimers. Such a packing motif is likely to be responsible for the low solubility of (I) in water. In (II), the inversion-related cations form stacks, and anions fill the interstack channels.

Formula: C₉H₆N₂O₃ and C₉H₇N₂O₃⁺·Cl^-

Online 14 December 2001


	Rietveld powder data file (CIF format) (99.5 kbytes) Contains datablock I

	Rietveld powder data file (CIF format) (105.8 kbytes) Contains datablock II

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