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Mononuclear and binuclear chelates derived from potassium benzenesulfonyldithiocarbazate

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Abstract

Benzenesulfonyldithiocarbazate (PhSO2NHNHCSS−) (HBDC−) complexes of CoII, NiII, ZnII, CdII, PdII, PbII, CuI and AgI have been prepared and characterized by elemental analyses, molar conductivities, spectral (vis., i.r, n.m.r.), thermal (t.g.a., d.t.a.) and magnetic moment measurements. The molar conductivities for the complexes lie in the non-electrolyte range. The i.r. spectral data indicate that KHBDC behaves either as monoanionic bidentate or dianionic tridentate ligand. The O=S=O group participates in bonding via bridge formation in dimeric (1:1) complexes. Different stereochemistries are proposed for the CoII, NiII and PdII complexes on the basis of the spectral and magnetic studies. T.g.a. and d.t.a. data suggest a mechanism for degradation of the complexes as a function of temperature.

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  1. Chemistry Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt

    Tawfik H. Rakha

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  1. Tawfik H. Rakha
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Rakha, T.H. Mononuclear and binuclear chelates derived from potassium benzenesulfonyldithiocarbazate. Transition Metal Chemistry 23, 101–103 (1997). https://doi.org/10.1023/A:1006922404846

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