Structure and Magnetic Properties of a New Oxohalogenide Compound Ba7CoV6O21CI4

被引：3
作者：
Wang Nan-Nan [1 ,2 ]
He Zhang-Zhen [2 ]
Cui Mei-Yan [2 ]
Guo Wen-Bin [2 ]
Zhang Su-Yun [2 ]
Yang Ming [2 ]
Tang Ying-Ying [2 ]
机构：
[1] Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
来源：
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY | 2015年 / 34卷 / 09期
基金：
中国国家自然科学基金;
关键词：
oxohalogenkle; crystal structure; solid-state reaction; magnetism; CRYSTAL-STRUCTURE;
D O I：
10.14102/j.cnki.0254-5861.2011-0711
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new oxohalogenide compound Ba7CoV6O21Cl4 was synthesized by a conventional high-temperature solid state reaction. The title compound is found to crystallize in the orthorhombic system of space group Cmcm with a = 16.726(4), b = 10.568(3), c = 14.808(4) angstrom, V = 2617.4(12) angstrom(3), Z = 2, Mr = 1803.68, D-c= 3.411 g/cm(3), mu= 11.396 mm(-1), F(000) = 3172, the final R = 0.0314 and wR = 0.0750 for 1531 observed reflections with I> 2 sigma(I). Co2+ ions are coordinated by four 0 and two Cl atoms, forming a CoO4Cl2 octahedron, while V atoms are tetrahedrally coordinated, forming (V2O7)(4-) groups. The structure of Ba7CoV6O21Cl4 exhibits a pseudo-onedimensional chain running along the c-axis. Magnetic measurements confirm that Ba7CoV6O21Cl4 shows a paramagnetic behavior down to 2 K.
引用
收藏
页码：1357 / 1361
页数：5
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