Figure 3
Part of the crystal structure of (I), showing some of the hydrogen-bonding and π–π stacking interactions and the R44(8) motif. For clarity, some H atoms have been omitted. Thin dashed lines indicate the hydrogen bonding and π–π stacking interactions. CgA, CgB and CgC are the centroids of rings A, B and C, respectively, as defined in Fig. 1. [See Table 1 for symmetry codes; additionally, (v) −1 + x, y, z; (vi) 1 + x, y, z.] |