Received 18 June 2013
In the crystal structure of the title compound, C8H8N4O5·H2O, the organic and lattice water molecules are linked together via N-HO and O-HO hydrogen bonds. A C-HO interaction is also observed between the organic molecules. These hydrogen bonds and interactions lead to the formation of a three-dimensional network. An intramolecular N-HO hydrogen bond also occurs. The dihedral angle between the acetyl group and the almost planar hydrazide moiety [maximum deviation from the least-squares plane is 0.209 (2) Å for one of the nitro O atoms] is 88.5 (3)°.
For background to the biological activity of hydrazines and hydrazones, see: Zahid & Sherazi (1997); Monfared et al. (2007). For a related crystal structure, see: Okabe et al. (1993). For hydrogen-bond graph-set motifs, see: Bernstein et al. (1995).
Data collection: CAD-4 EXPRESS (Enraf-Nonius, 1994); cell refinement: CAD-4 EXPRESS; data reduction: XCAD4 (Harms & Wocadlo, 1995); program(s) used to solve structure: SHELXS86 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and DIAMOND (Brandenburg & Putz, 2005); software used to prepare material for publication: WinGX (Farrugia, 2012).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: PV2637 ).
This work was supported by the Tunisian Ministry of HEScR, and the Deanship of Scientific Research at King Saud University is also thanked for funding the paper through the Research Group Project No. RGP-VPP-089.
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