Figure 3
The supramolecular structure of (I-E), viewed along the a axis. Centrosymmetric sheets of molecules pack through face-to-face and parallel-displaced π–π stacking interactions. [Symmetry codes: (i) x − 1, − y, + z; (ii) 1 − x, y − , − z; (iii) 1 − x, −y, −z; (iv) 1 − x, −y, 1 − z; (v) x, − y, + z.] |