Fig. 3. Crystal structure of 1: (a) Representation of the coordination sphere of a ZnII centre and the coordination modes of 3pyCCMoid molecules; (b) representation of two loops connected through the intermediate Zn(ii) centre; (c) extended view of one chain; (d) arrangement of four chains in the crystal. Colour legend: Zn, pink; C, grey; O, red; N, blue; H atoms are omitted for clarity.
