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Acta Cryst. (2005). E61, o2347-o2348  [ doi:10.1107/S1600536805020544 ]


D. E. Lynch and I. McClenaghan

Abstract: The structure of the title compound, C7H11N3O3, consists of molecules that pack in a linear hydrogen-bonded ribbon motif. This hydrogen-bonding arrangement is constructed through two dimer formations, one that is atypical of pyrazoles (N-H...N) and the other via an interaction from the hydroxy OH group to one of the nitro O atoms.

Online 6 July 2005

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