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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Bimetallic Alkoxides of Nickel(II) with Niobium(V) and Tantalum(V)

  • R. Jain , A. K. Rai and R. C. Mehrotra

A new class of bimetallic isopropoxides of nickel(II) with niobium and tantalum with the general formula, Ni[M(OPri)6]2, (where M = Nb or Ta) have been synthesized by the reaction of nickel chloride isopropanolate, NiCl2·ϰPriOH, with potassium hexaisopropoxy metalates, KM(OPri)6, (M = Nb or Ta) in the molar ratio 1:2. These derivatives have been characterized by elemental analyses, molecular weight determinations, infrared and visible reflectance spectroscopy in addition to magnetic susceptibility measurements. Alcohol interchange reactions of these bimetallic alkoxides have also been studied. On the basis of above studies, an octahedral geometry has been assigned to Ni(II) in primary bimetallic alkoxides while in secondary derivatives, it appears that there exists an equilibrium between octahedral and tetrahedral forms.

Received: 1985-6-10
Published Online: 2014-6-2
Published in Print: 1985-10-1

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