Figure 3
The packing of (I) , showing π–π stacking interactions between imidazole groups and a one-dimensional hydrogen-bonded structure along the a axis. Dashed lines indicate hydrogen bonds and the π–π interaction. [Symmetry codes: (i) −x, −y, −z; (ii) x + 1, y, z; (vi) −x + 1, −y, −z.] |