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Synthesis, Crystal Structure and Magnetic Property of Sanwich-Type Heteropolyoxometalate Na9[{Na(H2O)2}3{Cu(H2O)}3(BiW9O33)2]·42H2O

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【作者】 薛岗林王虎林谢志海史启祯王继武王大奇

【Author】 XUE, Gang-Lin*,a,b WANG, Hu-Lina XIE, Zhi-Hai a SHI, Qi-Zhena WANG, Ji-Wuc WANG, Da-Qid a Department of Chemistry, Northwest University, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Xi’an, Shaanxi 710069, China b State Key Laboratory of Coordination, Nanjing University, Nanjing, Jiangsu 210093, China c Shaanxi Key Laboratory of Chemical Reaction Engineering, Yan’an University, Yan’an, Shaanxi 716000, China d Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China

【机构】 Department of ChemistryNorthwest UniversityShaanxi Key Laboratory of Physico-Inorganic ChemistryXi’anShaanxi 710069China State Key Laboratory of CoordinationNanjing UniversityNanjingJiangsu 210093ChinaShaanxi Key Laboratory of Chemical Reaction EngineeringYan’an UniversityYan’anShaanxi 716000Liaocheng UniversityLiaochengShandong 252000China

【Abstract】 The heteropolytungstate Na9[{Na(H2O)2}3{Cu(H2O)}3(BiW9O33)2]?2H2O is obtained by the reaction of Na2WO4·2H2O, Bi(NO3)3·5H2O with CuCl2·2H2O at pH≈6. The structure and chemical composition are de-termined by X-ray diffraction analysis and elemental analysis. The crystal data and main structure refinement are: a=1.410(3) nm, b=2.338(5) nm, c=3.173(6) nm, =98.06(4)? V=10.354(35) nm3, monoclinic crystal system, space group: C2/c, Z=4, R1=0.0471, wR2=0.0642 [I>2(I)], R1=0.1371, wR2=0.0868 (all data). [{Na(H2O)2}3{Cu(H2O)}3W9O33)2]9- has D3h symmetry. IR, UV-vis spectra, TG curve and magnetic property of the complex were also discussed. The compound exhibits an antiferromagnetic coupling with J=-8.08 cm-1 and g=2.21.

【基金】 Project supported by Visiting Scholar Foundation of Key Lab in Chinese Universities and the Education Commission of Shaanxi Province (No. 03JK077).
  • 【文献出处】 Chinese Journal of Chemistry ,中国化学(英文版) , 编辑部邮箱 ,2004年02期
  • 【分类号】O614
  • 【被引频次】3
  • 【下载频次】11
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