Syntheses, crystal structures, and properties of three new metal selenites Na2Co2(SeO3)3, Na2Co1.67Ni0.33(SeO3)3, and Na2Ni2(SeO3)3

被引：11

作者：

Yuan, Xiao-Qing ^{[1
,2
]}

Feng, Mei-Ling ^{[1
]}

Li, Jian-Rong ^{[1
,2
]}

Huang, Xiao-Ying ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2010年 / 183卷 / 09期

关键词：

Cobalt; Nickel; Selenite; Hydro-/solvothermal; Magnetic properties; COORDINATION POLYMERS; HYDROTHERMAL SYNTHESIS; ABSORPTION-SPECTRA; DISELENITE; COBALT(II); FRAMEWORK; SERIES; CO; SELENATES; HYDRATE;

D O I：

10.1016/j.jssc.2010.06.020

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three new sodium cobalt (nickel) selenite compounds, namely, Na2Co2(SeO3)(3), Na2Co1.67Ni0.33(SeO3)(3), and Na2Ni2(SeO3)(3) have been hydro-/solvothermally synthesized in the mixed solvents of acetonitrile and water. Single-crystal X-ray diffraction analyses reveal that these isostructural compounds belong to the orthorhombic Cmcm space group and their structures feature three-dimensional open frameworks constructed by the two-dimensional layers of [MSeO3] pillared by the [SeO3](2-) groups. The two different types of Na+ ions reside in the intersecting two-dimensional channels parallel to the a- and c-axes, respectively. Their thermal properties have been investigated via TGA-DSC. The magnetic measurements indicate the existence of the antiferromagnetic interactions in these compounds. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：1955 / 1961

页数：7

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