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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50883


    Title: Flux Synthesis of a New Uranyl Silicate K(6)(UO(2))(3)Si(8)O(22)
    Authors: Lee,CS;Wang,SL;Lii,KH
    Contributors: 化學學系
    Keywords: BOND-VALENCE PARAMETERS;STATE NMR-SPECTROSCOPY;CRYSTAL-STRUCTURES;URANIUM SILICATE;HYDROTHERMAL SYNTHESIS;NIOBIUM SILICATES;GEOMETRIES;ANION;EU;CS
    Date: 2011
    Issue Date: 2012-03-27 18:12:07 (UTC+8)
    Publisher: 國立中央大學
    Abstract: A new uranyl silicate, K(6)(UO(2))(3)Si(3)O(22), was synthesized by a flux method and characterized by single-crystal X-ray diffraction, solid-state NMR, and photoluminescence spectroscopy. The 3D framework structure contains UO(6) tetragonal bipyramids and a new type of (Si(8)O(22))(12-) unit. K(6)(UO(2))(3)Si(8)O(22), C2/m (No.12), a = 1.24092 (9) nm, b = 1.45678 (8) nm, c = 0.81199 (5) nm, beta = 103.992 (4)degrees, V = 1. 4240(1) nm(3), Z = 2, R(1) = 0. 0329 and wR(2) = 0. 0796.
    Relation: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
    Appears in Collections:[化學學系] 期刊論文

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