Mixed-Ligand Organometallic Derivatives of Palladium (O), Platinum (O) Rhodium (1) and Iridium (1) with Triphenyl Phosphine and 1-Benzyl-Tetrazoline-5-Thione

R. N. Pandey; Richa Sharma

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Mixed-Ligand Organometallic Derivatives of Palladium (O), Platinum (O) Rhodium (1) and Iridium (1) with Triphenyl Phosphine and 1-Benzyl-Tetrazoline-5-Thione

R. N. Pandey* and Richa Sharma

Government Centre of Chemistry (MU), College of Commerce, Patna - 800 020 (India).

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ABSTRACT:

Four coordinate tetrahedral (Pd0 and Pt0) and square planar (Rh+ and Ir+) complexes of triphenyl phosphine and 1-benzyl tetrazoline-5-thione have been prepared and characterised on the basis of elemental analysis and spectroscopic data (IR, UV-vis, 1HNMR). Bonding of tetrazole ligand occurs through thione tautometric form. Determination of oxidation state of central metal atom in the complexes is verified by idometric and acidimetric titration.

KEYWORDS:

Pd°; Pt°; Rh+ and Ir+ complexes; Heterocyclic thioamide ligand; structure and bonding