Flux Synthesis of a New Uranyl Silicate K6(UO2)3Si8O22

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (3): 605.

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Flux Synthesis of a New Uranyl Silicate K6(UO2)3Si8O22

LEE Cheng-Shiuan¹, WANG Sue-Lein¹, LII Kwang-Hwa^2,3

1. Department of Chemistry, Taiwan Tsing Hua University, Hsinchu 300, China;
2. Department of Chemistry, Taiwan Central University, Jhongli 320, China;
3. Institute of Chemistry, Taiwan Academia Sinica, Taipei 115, China

Received:2010-10-18 Revised:2010-12-05 Online:2011-03-10 Published:2011-02-23
Contact: Kwang-Hwa Lii E-mail:liikh@cc.ncu.edu.tw
Supported by:
台湾国科会经费(批准号: 98-2113-M-008-008-MY3)资助.

Abstract

Abstract:

A new uranyl silicate, K6(UO2)3Si8O22, has been synthesized by a flux method and characterized by single-crystal X-ray diffraction, solid-state NMR, and photoluminescence spectroscopy. The 3D framework structure contains UO6 tetragonal bipyramids and a new type of (Si8O22)12- unit. Crystal data: K6(UO2)3Si8O22, C2/m (No. 12), a = 1.24092(9) nm, b = 1.45678(8) nm, c = 0.81199(5) nm, β = 103.992(4)o, V = 1.4240(1) nm3, Z = 2,R1 = 0.0329 and wR2 = 0.0796.

Key words: uranyl silicate, flux synthesis, crystal structure

TrendMD:

LEE Cheng-Shiuan, WANG Sue-Lein, LII Kwang-Hwa. Flux Synthesis of a New Uranyl Silicate K6(UO2)3Si8O22[J]. Chem. J. Chinese Universities, 2011, 32(3): 605.

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Flux Synthesis of a New Uranyl Silicate K6(UO2)3Si8O22

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