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Acta Cryst. (2013). E69, o1630-o1631
[ doi:10.1107/S1600536813027360 ]


K. Y. Suponitsky, V. M. Chernyshev, A. G. Mazharova, N. V. Palysaeva and A. B. Sheremetev

Abstract: The title compound, C7H8N6O, represents the keto form and adopts a nearly planar structure (r.m.s. deviation of the non-H atoms = 0.072 Å). In the crystal, mol­ecules form spiral chains along the c axis by N-H...N hydrogen bonds. The chains are linked to each other by weak C-H...O hydrogen bonds, forming a three-dimensional framework.

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