Abstract
A novel ligand hydrazone derivative ATH (ATH = 2-acetyl-2-thiazoline hydrazone) and its Cd(II) complex, with the empirical formula [Cd(NO 3) 2(ATH) 2], have been prepared and characterized by elemental analysis, IR and NMR spectroscopy. Likewise, the structures of the free ligand and its Cd(II) complex have been determined by X-ray diffraction. The complex has a distorted octahedral geometry with two ATH ligands coordinated to the Cd atom as bidentate chelating agents via the thiazolinic nitrogen atoms and the iminic nitrogen atoms. The metallic atom completes six-coordination by two monodentate nitrate oxygen atoms. The structure of ATH in the complex suffers a significant change with regard to free ATH due to the different degree of rotation of the thiazoline rings around the C(1)–C(4) and C(6)–C(9) bonds, which permit the coordination through thiazolinic nitrogen atoms.
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