Solid state coordination chemistry of oxovanadates: hydrothermal syntheses and structures of two novel copper vanadate ribbons, β-[Cu(2,2′-bipyridine)V2O6] and β-[Cu(2,2′∶6′,2″-terpyridine)V2O6]

Robert C. Finn; Jessica Sims; Chares J. O'Connor; Jon Zubieta

doi:10.1039/B103165C

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Solid state coordination chemistry of oxovanadates: hydrothermal syntheses and structures of two novel copper vanadate ribbons, β-[Cu(2,2′-bipyridine)V₂O₆] and β-[Cu(2,2′∶6′,2″-terpyridine)V₂O₆]†

Robert C. Finn,^a Jessica Sims,^b Chares J. O'Connor*^b and Jon Zubieta*^a

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* Corresponding authors

^a Department of Chemistry, Syracuse University, Syracuse, NY 13244, USA

^b Advanced Materials Research Institute, University of New Orleans, New Orleans, LA 70148, USA

Abstract

The hydrothermal reaction of CuSO₄·5H₂O, Na₃VO₄, methylphosphonic acid, 2,2′-bipyridine, and H₂O in the mole ratio 1.22 ∶ 1.30 ∶ 3.63 ∶ 1.00 ∶ 2250 at 150 °C for 43 h yielded β-[Cu(bpy)V₂O₆] (1). The structure of 1 is a one-dimensional ribbon constructed of {V₆O₁₈}⁶⁻ clusters linked by a binuclear subunit of edge sharing {Cu(bpy)O₃} square pyramids. Similarly, the reaction of Cu₂O, Na₃VO₄, 2,2′∶6′,2″-terpyridine, selenous acid, and water, in a mole ratio 1.52 ∶ 1.00 ∶ 2.02 ∶ 9.31 ∶ 2130 at 200 °C for 67.5 h yielded β-[Cu(tpy)V₂O₆] (2). The structure of 2 is comprised of an undulating chain of corner sharing vanadium oxide tetrahedra, with {Cu(tpy)}²⁺ subunits spanning the adjacent crests and troughs.

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DOI: https://doi.org/10.1039/B103165C
Article type: Paper
Submitted: 09 Apr 2001
Accepted: 22 Oct 2001
First published: 10 Dec 2001

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J. Chem. Soc., Dalton Trans., 2002, 159-163

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Solid state coordination chemistry of oxovanadates: hydrothermal syntheses and structures of two novel copper vanadate ribbons, β-[Cu(2,2′-bipyridine)V₂O₆] and β-[Cu(2,2′∶6′,2″-terpyridine)V₂O₆]

R. C. Finn, J. Sims, C. J. O'Connor and J. Zubieta, J. Chem. Soc., Dalton Trans., 2002, 159 DOI: 10.1039/B103165C

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Journal of the Chemical Society, Dalton Transactions