{3,3 '-[2,2 '-(ethylenedioxy)dibenzylidene]bis(S-methyl dithiocarbazate)}nickel(II)

The tetradentate N2S2 Schiff base ligand 3,3'-[2,2'-(ethylenedioxy)dibenzyl idene]bis(S-methyl dithiocarbazate) (H2L), prepared by the condensation of S-methyl dithiocarbazate with 1,4-bis(2-formylphenyl)-1,4-dioxabutane in a 1:2 molar ratio, reacts with nickel acetate to form the title neutral metal complex, [Ni(C20H20N4O2S4)]. The X-ray structure of the complex shows a di storted square-planar geometry around the Ni atom. The monomeric units are weakly associated into dimers via a long Ni . . .S interaction [3.569 (1) A ngstrom]. These dimeric units are then linked by C-H . . .S intermolecular contacts to form a polymeric chain along the a axis.