Abstract
The title compound sodium dysprosium(III) bis[tungstate(VI)], NaDy(WO4)2, has been synthesized under high temperature solution growth (HTSG) conditions in air. The compound crystallizes with the scheelite structure and is composed of isolated WO4 tetrahedra ( symmetry) with one set of bond lengths and distorted [(Na/Dy)O8] dodecahedra ( symmetry; occupancy ratio Na:Dy = 1:1) with two sets of bond lengths.
Highlights
Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, People’s Republic of China
The compound crystallizes with the scheelite structure and is composed of isolated WO4 tetrahedra (4 symmetry) with one set of bond lengths and distorted [(Na/Dy)O8] dodecahedra (4 symmetry; occupancy ratio Na:Dy = 1:1) with two sets of bond lengths
Properties and applications of alkali rareearth bis-tungstates with general formula ARE(WO4)2
Summary
Refinement a Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, Henan 454000, People’s Republic of China, and bState Key Laboratory of Structural. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, People’s Republic of China. Key indicators: single-crystal X-ray study; T = 298 K; mean (W–O) = 0.007 Å; disorder in main residue; R factor = 0.024; wR factor = 0.056; data-to-parameter ratio = 12.1. The compound crystallizes with the scheelite structure and is composed of isolated WO4 tetrahedra (4 symmetry) with one set of bond lengths and distorted [(Na/Dy)O8] dodecahedra (4 symmetry; occupancy ratio Na:Dy = 1:1) with two sets of bond lengths. Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: WM2287)
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