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Acta Cryst. (2013). E69, o643
[ doi:10.1107/S1600536813008337 ]


R. de P. Castro, F. C. Macedo, T. O. Brito, A. de Fátima and J. R. Sabino

Abstract: In the title compound, C6H10N2OS, the 2-sulfanylideneimidazolidin-4-one fragment is essentially planar (r.m.s. deviation = 0.0033 Å). In the crystal, one amino group is involved in N-H...O hydrogen bonding, which links pairs of molecules into inversion dimers, while the other amino group generates weak N-H...S hydrogen bonds, which link these dimers into chains in [10-1]. The chains are further aggregated into layers parallel to the ac plane through weak C-H...O interactions.

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