Synthesis and characterization of two novel organocation containing group 13 metal ethylenediphosphonates

Martin P. Attfield, Howard G. Harvey, Simon J. Teat

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Two novel group 13 metal diphosphonates: (H3NC3H 6NH3)2[Al2F6(O 3PC2H4PO3)]·H2O (1) (monoclinic, C2/c, a=16.9697(7)Å, b=8.0273(4)Å, c=16.3797(8)Å, β=117.762(2)°, Z=4, R1=4.66%, wR 2=11.82%), and (H3NC3H6NH 3)[Ga2F4(O3PC2H 4PO3)] (2) (triclinic, P-1, a=5.398(7)Å, b=8.122(6)Å, c=15.839(18)Å, α=78.89(4)°, β=89.60(7)°, γ=79.35(6)°, Z=2, R1=2.90%, wR 2=3.17%) have been synthesized by solvothermal methods in the presence of the propyldiammonium cations and their structures determined using single and micro-crystal X-ray diffraction data, respectively. The structures of 1 and 2 are closely related and contain dimers of edge-sharing trivalent metal centered octahedra that are linked together by the ethylenediphosphonate groups to form chains and aperture-containing layers, respectively. The propyldiammonium cations surround the aluminum diphosphonate chains in 1 and separate the gallium diphosphonate layers in 2. Both compounds 1 and 2 are examples of metal phosphonate materials containing only one type of octahedral-tetrahedral secondary building unit (SBU-4). © 2004 Elsevier Inc. All rights reserved.
    Original languageEnglish
    Pages (from-to)2951-2960
    Number of pages9
    JournalJournal of Solid State Chemistry
    Volume177
    Issue number8
    DOIs
    Publication statusPublished - Aug 2004

    Keywords

    • Aluminum
    • Crystal structure
    • Diphosphonate
    • Edge-sharing octahedra
    • Gallium
    • Hybrid organic-inorganic material

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