Figure 3
A section through the structure of (I) parallel to (010) and centred on y = , showing interlayer π⋯π contacts (dashed lines). Displacement ellipsoids are drawn at the 50% probability level. H atoms have been omitted. [Symmetry codes: (iii) −x, y, −z + ; (v) −x + , −y + , −z + 1; (ix) x + , −y + , z + .] |