Mg5TiO4(BO3)2

Tetsuya Kawano, Hisanori Yamane

    研究成果: Article査読

    4 被引用数 (Scopus)

    抄録

    Single crystals of penta-magnesium titanium(IV) tetra-oxide bis-(borate), Mg5TiO4(BO3)2, were prepared by slow cooling of the melt from 1623 K in air. The crystal is isostructural with the mineral ludwigite (Mg2FeO2BO3). The Mg and Ti atoms are coordinated by six O atoms and the B atom is coordinated by three O atoms. There are three Mg sites and one mixed site statistically occupied by Mg and Ti atoms. Atoms are at the following special positions: 2a (0, 0, 0) and 2d (0, 1/2, 1/2) for two Mg atoms, 4g (x, y, 0) for the mixed Ti/Mg site and the BO3 group, and 4h (x, y, ) for a third Mg and two oxide O atoms. MgO6 and (Ti/Mg)O6 octa-hedra are connected by sharing of edges to form zigzag folding layers along the c axis. Triangular prismatic tunnels are formed between the folding layers by sharing apical O atoms of the MgO6 and (Ti/Mg)O6 octa-hedra.

    本文言語English
    ページ(範囲)i92-i94
    ジャーナルActa Crystallographica Section C: Crystal Structure Communications
    66
    10
    DOI
    出版ステータスPublished - 2010 10月 1

    ASJC Scopus subject areas

    • 生化学、遺伝学、分子生物学(全般)

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