Synthesis, crystal structure and magnetic properties of a new fluoride carbonate Ba2CO(CO3)2F2

被引：8
|
作者：
Ben Ali, A
Maisonneuve, V
Kodjikian, S
Smiri, LS
Leblanc, M
机构：
[1] Univ Maine, Lab Fluorures, CNRS, UMR 6010,Fac Sci, F-72085 Le Mans 9, France
[2] Fac Sci Bizerte, Lab Chim Inorgan & Struct, Jarzouna 7021, Tunisia
来源：
SOLID STATE SCIENCES | 2002年 / 4卷 / 04期
关键词：
D O I：
10.1016/S1293-2558(02)01274-8
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The structure of Ba2Co(CO3)(2)F-2, obtained by hydrothermal synthesis, is determined from X-ray single crystal diffraction data (1085 unique reflections, R = 0.034, R-W = 0.078). Ba2Co(CO3)(2)F-2 is orthorhombic, space group Pbca (Z = 4), with a = 6.6226(6), b = 11.494(2), c = 9.021(2) Angstrom and V = 686.7(4) Angstrom(3). It can be described from infinite (010) layers of [CoO4F2] octahedra and CO32- entities or from [BaO3F](infinity) sheets of [BaO7F3] polyhedra. Antiferromagnetic order occurs below T-N approximate to 6 K. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
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页码：503 / 506
页数：4
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