Palladium(II) and platinum(II) complexes of 6-methyl-2 acetylpyridine 3-hexamethyleneiminylthiosemicarbazones: A structural and spectral study

The reaction of 6-methyl-2-acetylpyridine 3-hexamethyleneiminylthiosemicarb azone, H6MAchexim, with potassium tetrachloro-palladate(II) and tetrachloro plantinate(II) in methanol afforded the complexes [Pd(6MAchexim)Cl] and [Pt (6MAchexim)Cl], respectively. The X-ray crystal structure determination of both shows that anions of H6MAchexim coordinate in a planar conformation to the central palladium(II) or platinum(II) via the pyridyl nitrogen, azomet hine nitrogen and thiolato sulfur atoms. The complexes have also been chara cterized by spectroscopic techniques (IR, UV-VIS and H-1 NMR). (C) 1999 Els evier Science Ltd. All rights reserved.