Abstract
Mercury(II) complex, [Hg2(BPTU-2H)Cl2] and nickel(II) complex, [Ni(BPTU-H)2] were prepared by reacting Bis(N-phenylthiourea), BPTU, with mercury(II) chloride and nickel(II) acetate respectively. The complexes were characterized by IR, diffuse reflectance, 1H NMR spectra and elemental analysis. BPTU acts as monoanionic bidentate chelating agent in nickel(II) complex, coordinating through thiolato sulphur and hydrazinic nitrogen atoms. Its coordination nature differs in mercury(II) complex, where it acts as dianionic bis(bidentiate) chelating agent, coordinating through thiolato sulphur and hydrazinic nitrogen atoms to two mercury(II) ions simultaneously. on the basis of analysis and spectral properties, Ni(BPTU-H)2 has been tentatively assigned square planar geometry. The [Hg2(BPTU-2H)Cl2] appears to have binuclear structure having triangular coordination centres around mercury(II) cations. KeyWords: Bis(N-phenylthiourea), mercury(II) complex, nickel(II) complex, IR,1H NMR, electronic spectra. [Global Jnl Pure & Appl. Sci. Vol.9(3) 2003: 351-358]
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