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一种新型钨铋酸盐的合成、结构和磁性质研究 被引量：1

Synthesis,Structure and Magnetic Properties of a New Tungstobismutate Salt
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摘要 在常规条件下,合成了一个新的具有一维链状结构的化合物Na12[Co(H2O)2(OH)2{Bi2W22O74(OH)2}].48H2O.通过X射线单晶结构分析、红外光谱及元素分析对该化合物进行了表征.结果表明,该化合物中的[Bi2W22O74(OH)2]12-阴离子是以[β-BiW9]9-为基本构筑单元,利用4个{WO6}八面体配位连接而成;这种夹心阴离子进一步利用水合钴离子的连接形成直线链状结构;钠离子或钠离子簇通过与钴离子和邻近的多阴离子上的端氧或桥氧配位将直线链连接成三维骨架.磁性研究结果表明,旋轨偶合作用对标题化合物在高温时的磁矩产生很大的影响. A novel one - dimensional chain complex, Na12 [ Co （ H2O ） 2 （ OH ） 2 { Bi2 W 22 O74 （OH）2}]·48H2O （1）, has been synthesized by the conventional method and characterized by the elemental analysis, IR spectra, and single crystal X - ay diffraction. The basic building block is formed by the sandwich type [β - BiW9 ] 9 - polyanion containing four { WO6 t octahedra. These basic units are connected by hydrated Co2 ＋ ions forming one - dimen- sional chain -like structure. The sodium ions or sodium clusters act as linkages to link the Co2＋ and polyanions to form three - dimensional framework. Magnetic investigation indicates that the spin - orbit coupling strongly affect the magnetic moment at a higher temperature.
作者 刘红 刘海燕 石春卉 刘凤华 赵艳丽 高洪福
机构地区 佳木斯大学化学与药学院 佳木斯大学临床医学院
出处 《云南民族大学学报（自然科学版）》 CAS 2008年第4期324-327,共4页 Journal of Yunnan Minzu University:Natural Sciences Edition
基金 黑龙江省教育厅科学技术研究基金资助项目(11521280 11521288) 佳木斯大学科学研究基金重点资助项目(Szj2008-017 018)
关键词 夹心型钨铋酸阴离子 合成 结构 磁性 sandwich tungstobismuthate polyanion synthesis structure magnetism
分类号 O611.4 [理学—无机化学]
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参考文献10

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同被引文献15

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引证文献1

云南民族大学学报（自然科学版）
2008年 第4期

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