Figure 3
Fragment of non-covalent chain propagating along the a-axis direction in the structure of I, with the pairs of the inversion-related adjacent molecules linked by double C—H⋯O bonds (dotted blue lines) and double π–π interactions (solid blue lines). [Symmetry codes: (iii) −x + 2, −y + 1, −z + 1; (iv) x + 1, −y + 1, −z + 1.] |