Chem. J. Chinese Universities

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Synthesis of Novel 3D Lanthanide Oxide Nitrate Compounds with the Zeolite SOD Topology

WANG Li-Feng1, LI Hua1,2, ZHU Guang-Shan1, REN Hao1, SUN Fu-Xing1, QIU Shi-Lun1*   

    1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012;
    2. Department of Chemistry, College of Life and Environmental Sciences, Central University for Nationalities, Beijing 100081, China
  • Received:2008-03-11 Revised:1900-01-01 Online:2008-11-10 Published:2008-11-10
  • Contact: QIU Shi-Lun

Abstract: A series of lanthanide oxide nitrates(Ln=Y, Tm, Yb, Lu) constructed by nanoscale cages with a zeolite sodalite topology structure were prepared through the hydrothermal method. The compounds are isomorphous and crystallize in the trigonal R-3 space group. The framework expands the original structure of SOD nanocage from 0.9 nm to 1.4 nm. The lanthanide ions are eight-coordinate with six bridge oxygen atoms and two oxygen atoms coming from nitrate ions. If the nitrate ions were ignored, the compound can be described as a rare lanthanide oxide structure with 3-dimensional open framework.

Key words: Lanthanide, Oxide nitrate, Nanoscale cage, Zeolite topology

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