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Synthesis and electronic, magnetic and E.s.r. studies of some bimetallic alkoxides of copper(II) with niobium(V) and Tantalum(V)

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Summary

Novel bimetallic alkoxides of copper(II) of the type Cu[M(OPr-i)6]2 (M = Nb or Ta) have been synthesised by the interaction of CuCl2 (1 mol) with K[M(OPr-i)6] (2 mol). These bimetallic isopropoxides undergo facile alcohol interchange with primary alcohols such as MeOH, EtOH,n-PrOH andn-BuOH. However, witht-BuOH, the reaction cannot be driven to completion even under prolonged continuous azeotropic fractionation of the liberatedi-PrOH and the final product corresponded in analysis to Cu[Ta(OPr-i)2(OBu-t)4]2.I.r., electronic and electron spin resonance spectral and magnetic susceptibility measurements indicate a distorted octahedralD 4h geometry for copper(II) in these bimetallic alkoxides.

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Authors and Affiliations

  1. Department of Chemistry, University of Rajasthan, 302004, Jaipur, India

    Raj K. Dubey, Anirudh Singh & Ram C. Mehrotra

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  1. Raj K. Dubey
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  2. Anirudh Singh
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  3. Ram C. Mehrotra
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Dubey, R.K., Singh, A. & Mehrotra, R.C. Synthesis and electronic, magnetic and E.s.r. studies of some bimetallic alkoxides of copper(II) with niobium(V) and Tantalum(V). Transition Met Chem 10, 473–476 (1985). https://doi.org/10.1007/BF00620713

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