Figure 4
A packing diagram for (II), viewed up the a axis. Only atoms involved in the hydrogen bonds are labelled. H atoms not involved in hydrogen bonding have been omitted for clarity. [Symmetry codes: (i) x, y − 1, z; (ii) x, y + 1, z; (iii) −x + 1, −y, −z + 1; (iv) −x + 2, −y, −z + 1.] |