K2Ca4[(UO2)(Si2O7)2]: A Uranyl Silicate with a One-Dimensional Chain Structure

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題名:	K2Ca4[(UO2)(Si2O7)2]: A Uranyl Silicate with a One-Dimensional Chain Structure
作者:	李光華;Liu, Chia-Lin;Liu, Hsin-Kuan;Chang, Wen-Jung;Lii, Kwang-Hwa
貢獻者:	理學院化學學系
日期:	2015-08-17
上傳時間:	2026-04-21 14:38:02 (UTC+8)
出版者:	American Chemical Society;United States: American Chemical Society
摘要:	摘要： A new uranyl silicate, K2Ca4[(UO2)(Si2O7)2], with a 1D chain structure has been synthesized from a solution of mixed alkali- and alkaline-earth-metal cations under hydrothermal conditions at 550 °C and 1400 bar and characterized by single-crystal X-ray diffraction and photoluminescence spectroscopy. It crystallizes in the triclinic space group P1̅ (No. 2) with a = 6.6354(2) Å, b = 6.6791(2) Å, c = 9.6987(3) Å, α = 98.324(2)°, β = 93.624(2)°, γ = 112.310(2)°, and Z = 1. Its crystal structure consists of a 1D chain of uranyl disilicate formed of corner-sharing UO6 tetragonal bipyramids and Si2O7 double groups. The adjacent chains are separated by K+ and Ca2+ cations. It is the first example of uranyl silicate with a 1D chain structure. 其他題名： Inorg. Chem 出版者： United States: American Chemical Society 出版日期： 2015-09-08 出處： Inorganic chemistry, 2015-09, Vol.54 (17), p.8165-8167 資源來源： American Chemical Society Journals 版權： Copyright © 2015 American Chemical Society 識別號： ISSN: 0020-1669 識別號： EISSN: 1520-510X 識別號： DOI: 10.1021/acs.inorgchem.5b01390 識別號： PMID: 26280494
顯示於類別:	[化學學系] 期刊論文

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