Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 6 (June 2003)

inorganic compounds

Acta Cryst. (2003). C59, i41-i44 [ doi:10.1107/S0108270103008552 ]

Cu₃V₁₀O₂₈·24H₂O and CuNa₄V₁₀O₂₈·23H₂O

A. Iida and T. Ozeki

Abstract: The crystal structures of tricopper decavanadate tetracosahydrate, (I), and copper tetrasodium decavanadate tricosahydrate, (II), have been determined by single-crystal X-ray diffraction. Both compounds exhibit a catenary structure consisting of [V₁₀O₂₈]^6- anions linked by Cu²⁺ cations in (I) or by Na⁺ cations in (II). Compound (II) also contains a polymeric linear array of edge-sharing [Na(OH₂)₆]⁺ and [Cu(OH₂)₆]²⁺ octahedra. In both compounds, the [V₁₀O₂₈]^6- ions lie about inversion centres and the Cu²⁺ ions in (I) also lie about inversion centers.

Formula: Cu₃V₁₀O₂₈·24H₂O and CuNa₄V₁₀O₂₈·23H₂O


	Structure factor file (CIF format) (229.6 kbytes) Contains datablock I

	Structure factor file (CIF format) (234.5 kbytes) Contains datablock II

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