Structural Studies of 1-Isatin-4-phenyl-3-thiosemicarbazone and 1 - (α-) Furyl-4-phenyl-3-thiosemicarbazone Complexes
- 6 December 1985
- journal article
- research article
- Published by Taylor & Francis in Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry
- Vol. 15 (9) , 1247-1259
- https://doi.org/10.1080/00945718508059405
Abstract
New metal complexes derived from 1-isatin-4-phenyl-3-thiosemicarbazone (IPTS) and 1-(α-) furyl-4-phenyl-3-thiosemicarbazone (PPTS) with Ni(II), Co(II), Cu(II) and Cd(II) have been synthesized and characterized on the basis of elemental analyses, magnetic moments, molar conductivities and spectral (NMR, Visible, IR) measurements. IR spectra show that IPTS coordinates in a tridentate manner via CN, CO and CS groups, while FPTS acts as a bidentate ligand coordinating via CN and CO groups. Magnetic and spectral studies suggest a square-planar structure for the Cu(II) and Ni(II) complexes which are derived from FPTS and a low-spin octahedral structure for [Co(FPTS-H)3]· 2H2O. On the other hand, octahedral structures are proposed for the complexes of Ni(II) and Cu(II) that are derived from IPTS and a low-spin octahedral structure for [Co(IPTS-H)2]. 1HNMR spectra of the ligands and the diamagnetic complexes are discussed.Keywords
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