Abstract
The title compound, C5H6N4O, is approximately planar, with an angle of 11.04 (15)° between the planes of the pyrimidine ring and the non-H atoms of the carboximidamide unit. The molecule adopts an E configuration about the C=N double bond. In the crystal, adjacent molecules are linked by pairs of N—H⋯O hydrogen bonds, forming inversion dimers with an R 2 2(10) ring motif. The dimers are further linked via N—H⋯N and O—H⋯N hydrogen bonds into a sheet structure parallel to the ac plane. The crystal structure also features N—H⋯O and weak C—H⋯O hydrogen bonds and offset π–π stacking interactions between adjacent pyrimidine rings [centroid–centroid distance = 3.622 (1) Å].
Highlights
The title compound, C5H6N4O, is approximately planar, with an angle of 11.04 (15) between the planes of the pyrimidine ring and the non-H atoms of the carboximidamide unit
Adjacent molecules are linked by pairs of N—HÁ Á ÁO hydrogen bonds, forming inversion dimers with an R22(10) ring motif
The dimers are further linked via N—HÁ Á ÁN and O—HÁ Á ÁN hydrogen bonds into a sheet structure parallel to the ac plane
Summary
The title compound, C5H6N4O, is approximately planar, with an angle of 11.04 (15) between the planes of the pyrimidine ring and the non-H atoms of the carboximidamide unit. Nithianantham Jeeva Jasmine, Packianathan Thomas Muthiah* and Nithianantham Stanley Received 7 September 2014; accepted 9 September 2014 The molecule adopts an E configuration about the C N double bond.
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