Synthesis and crystal structure characterization of iron(II), cobalt(II) and nickel(II) complexes with 1,3-bis(2-pyridylmethylthio)propane |
| |
Authors: | Animesh Patra Sandipan Sarkar Michael GB Drew Ennio Zangrando Pabitra Chattopadhyay |
| |
Institution: | 1. Department of Chemistry, Burdwan University, Golapbag, Burdwan 713 104, India;2. Department of Chemistry, Reading University, Reading RG6 6AD, Berks, UK;3. Dipartimento di Scienze Chimiche, Via Licio Giorgieri 1, 34127 Trieste, Italy |
| |
Abstract: | Three new mononuclear complexes of nitrogen–sulfur donor sets, formulated as FeII(L)Cl2] (1), CoII(L)Cl2] (2) and NiII(L)Cl2] (3) where L = 1,3-bis(2-pyridylmethylthio)propane, were synthesized and isolated in their pure form. All the complexes were characterized by physicochemical and spectroscopic methods. The solid state structures of complexes 1 and 3 have been established by single crystal X-ray crystallography. The structural analysis evidences isomorphous crystals with the metal ion in a distorted octahedral geometry that comprises NSSN ligand donors with trans located pyridine rings and chlorides in cis positions. In dimethylformamide solution, the complexes were found to exhibit FeII/FeIII, CoII/CoIII and NiII/NiIII quasi-reversible redox couples in cyclic voltammograms with E1/2 values (versus Ag/AgCl at 298 K) of +0.295, +0.795 and +0.745 V for 1, 2 and 3, respectively. |
| |
Keywords: | Iron(II) Cobalt(II) Nickel(II) complex Nitrogen&ndash sulfur ligands |
本文献已被 ScienceDirect 等数据库收录! |
|