Preparation and molecular structure of cis-diaqua((7S, 14S)-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclo-tetradecane)nickel(II) chloride.

A six-coordinate diaqua nickel(II) complex with the title macrocyclic ligand, [Ni(H2O)2(S,S-L)]Cl2, has been synthesized and its structure has been determined by the X-ray analysis. Coordination geometry about the Ni is of cis-NiO2N4 type with the macrocyclic ligand folded.