Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 5 (May 2012)

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inorganic compounds

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Trisodium scandium bis(orthoborate)

J. Fang, X. Zhang, J. Yao, G. Zhang and K. Wang

Abstract: Single crystals of trisodium scandium bis(orthoborate), Na₃Sc(BO₃)₂, have been obtained by spontaneous crystallization from an Na₂O-Sc₂O₃-B₂O₃ melt. The crystal structure features a three-dimensional framework composed of planar [BO₃]^3- groups and distorted ScO₆ octahedra with Na atoms in the cavities. The Sc atom occupies a special position (Wyckoff position 2b, site symmetry -1) and of the two Na atoms, one occupies a special position (Wyckoff position 2c, site symmetry -1).

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