Copper(II) 2-Benzoylbenzoate Complexes Containing 2-Pyridilmethanol and 2-Pyridilethanol: Synthesis, Crystal Structures, Spectroscopic, and Thermal Properties

Two new copper(II) complexes, [Cu(bba)2(pymet)2] 1 and [Cu(bba)2(pyet)2] 2, have been synthesized and characterized by elemental analysis, thermal analysis, UV-Vis, and IR spectroscopic techniques. Single-crystal X-ray analysis of 1 and 2 revealed that the geometries are octahedral. 1 crystallizes in the monoclinic crystal system with space group P21/n, while 2 crystallizes in the triclinic crystal system with the space group P-1. 2-benzoylbenzoic acid ligand behaves as a monodentate, while 2-pyridilmethanol and 2-pyridilethanol ligands act as a bidentate in two complexes. Thermal analysis show that two decomposition stages of the investigated complex 1 and 2, stable up to ∼160°C.