Structural diversity of silver (I) azine complexes – Effect of substituents and counter anions

Three new Ag(I) complexes, 1, 2, and 3 of two azine ligands diacetyl dihydrazone (L1) and benzil dihydrazone (L2) have been synthesized and characterized by single crystal X-ray diffraction studies (for 2 and 3), X-ray powder diffraction studies(1 and 2), elemental analyses, IR and UV–VIS spectroscopy and TGA analysis. They represent one-dimensional polymeric assemblies and discrete dinuclear Ag(I) complex depending on functionality of the ligands and the counter anions. Tetrahedral as well as square pyramidal coordination motifs of the silver (I) ions have been observed in the supramolecular designing of such hybrid organic–inorganic materials.