Acta Cryst. (2008). E64, o914  [ doi:10.1107/S160053680801115X ]

Low-temperature redetermination of 3,4,5,6-tetrahydropyrimidin-2(1H)-one

M. R. Rizal, I. Azizul and S. W. Ng

Abstract: The low-temperature structure of the title compound, C₄H₈N₂O, is ordered, whereas the central methylene groups is disordered in the reported room-temperature structure. The molecule lies across a mirror plane; adjacent molecules are linked by an N-HO hydrogen bond into a chain.

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