Hydrothermal synthesis, crystal structure, thermal behaviour, IR and Raman spectroscopy of Na3Y(CO3)3.6 H2O

被引：4
|
作者：
Ben Ali, A
Awaleh, MO
Leblanc, M
Smiri, LS
Maisonneuve, V
Houlbert, S
机构：
[1] Univ Maine, Fac Sci, CNRS, UMR 6010,Lab Oxydes & Fluorures, F-72085 Le Mans 9, France
[2] Fac Sci Bizerte, Lab Chim Inorgan & Struct, Jarzouna 7021, Tunisia
[3] Univ Maine, CNRS, UMR 6087, Fac Sci,Lab Phys Etat Condense, F-72085 Le Mans 9, France
来源：
COMPTES RENDUS CHIMIE | 2004年 / 7卷 / 6-7期
关键词：
carbonate; x-ray diffraction; IR; Raman;
D O I：
10.1016/j.crci.2004.03.007
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new sodium yttrium carbonate hydrate, Na3Y(CO3)(3).6 H2O, is prepared by hydrothermal synthesis and characterized by single crystal X-ray diffraction, thermal analysis, IR and Raman spectroscopy. Na3Y(CO3)(3).6 H2O crystallizes in the hexagonal system, space group P6(3); a = 11.347(5) Angstrom, c = 5.935(5) Angstrom; V = 661.8(5) Angstrom(3); Z = 2. Refinements yield R(F-2) = 0.058 and R-w(F-2) = 0.161 for 692 unique reflections. The structure is built up from [YO3+3+3] polyhedra surrounded by [NaO6] octahedra. Carbonate groups form infinite layers at z = 0.175 and z = 0.675. Dehydration of Na3Y(CO3)(3).6 H2O yields an amorphous carbonate. (C) 2004 Academie des sciences. Published by Elsevier SAS. All rights reserved.
引用
收藏
页码：661 / 668
页数：8
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