Acta Cryst. (2013). E69, o569
[ doi:10.1107/S1600536813007459 ]
Abstract: In the title compound, C14H16N4, the six-membered hexahydropyrimidine ring adopts a chair conformation. In the crystal, one of the two pyrimidine N atoms engages in N-HN hydrogen bonding with one of the pyridine N atoms, generating a helical chain running along the c axis. The helical pitch is the length of the c axis.
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