Synthesis and crystal structure analysis of Li2NaBP2O8and LiNa2B5P2O14

Toru Hasegawa, Hisanori Yamane

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)


    Single crystals of Li2NaBP2O8 and LiNa2B5P2O14 were prepared at 873-883 K. The XRD reflections of Li2NaBP2O8 single crystal were indexed with triclinic unit-cell parameters of a = 5.4344(3) A˚, b = 7.3793 (4) A˚, c = 7.9840(4) A˚, α = 103.243(3)°, β = 109.270(4)° and γ = 87.391(2)°; (space group P1 (No. 2)). Li2NaBP2O8 consists of one-dimensional 1[BP2O8]3- chains of BO4 and PO4 tetrahedra in the direction of the c axis, and Li and Na atoms located around the chains. The XRD reflections of the LiNa2B5P2O14 single crystal were indexed with monoclinic unit-cell parameters of a = 8.208(3) A˚, b = 9.151(3) A˚, c = 8.349(3) A˚ and β = 115.709(7)°; (space group P21/m (No. 11)). In the crystal structure of LiNa2B5P2O14, BO3 trigonal planer and BO4 and PO4 tetrahedra share O atoms and form two-dimensional sheets of 2[B5P2O14]3-. One Li and two Na atoms are situated at a large triangular space in the sheets.

    Original languageEnglish
    Pages (from-to)65-71
    Number of pages7
    JournalJournal of Solid State Chemistry
    Publication statusPublished - 2015 May


    • Borophosphate
    • Crystal structure
    • Solid-state reaction

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Ceramics and Composites
    • Condensed Matter Physics
    • Physical and Theoretical Chemistry
    • Inorganic Chemistry
    • Materials Chemistry


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