Mono- and binuclear copper(II) complexes containing di(2-pyridyl)sulfide (DPS) as chelating ligand: Spectroscopic characterization and crystal structures of [Cu(DPS)(H2O)Cl2] · H2O and [{Cu(DPS)Cl}2μ-(Cl)2]

The synthesis and characterization by microanalysis, thermal analysis (TG/DSC), electronic, IR and EPR spectroscopies as well as X-ray diffraction studies of two Cu(II) complexes namely [Cu(DPS)(H2O)Cl2] · H2O (1a) and [{Cu(DPS)Cl}2μ-(Cl)2] (1b) are reported. These compounds contain the core [Cu(DPS)]2+ that can be used as a novel building subunit for coordination polymers construction.