M. Hemamalini, H. Fun
Aug 28, 2010
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
The molecular structure of the title compound, C8H12N2O, indicates that 2-isopropyl-6-methylpyrimidin-4-ol (the enol–form) undergoes an enol-to-keto tautomerism during the crystallization process. The pyrimidin-4(3H)-one group is essentially planar, with a maximum deviation of 0.081 (1) Å for the O atom. In the crystal structure, symmetry-related molecules are linked into centrosymmetic dimers via pairs of intermolecular N—H⋯O hydrogen bonds, generating R 2 2(8) rings. These dimers are stacked along the a axis.