Figure 8
Compound (2): the simple C4 chain formed by the C61—H61A⋯O6 weak hydrogen bond. This chain extends along the b axis and is generated by the twofold screw axis at (, y, ). Symmetry codes: (i) −x + 1, y + , −z + ; (ii) −x + 1, y − , −z + . H atoms not involved in the hydrogen bonding are omitted. |