Figure 10
Compound (5): the simple C4 chain formed by the N9—H9⋯O64 weak hydrogen bond. This chain extends along the b axis and is generated by the n-glide plane at (0, , 0). Symmetry codes: (i) x − , −y + , −z − ; (ii) x − , −y + , −z + . H atoms not involved in the hydrogen bonding are omitted. |