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Synthesis and crystal structure of a 1D chainlike rare earth coordinated tungstogermenate:[（CH3）4N]1.50H3.50[Gd(GeW11O39)（H2O）2]·2.5H2O

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【作者】 赵青岚； 韩瑞娟； 李继利； 杜晓迪； 王敬平；

【Author】 ZHAO Qinglan , HAN Ruijuan , LI Jili , DU Xiaodi , WANG Jingping (Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China)

【机构】 Institute of Molecular and Crystal Engineering,School of Chemistry and Chemical Engineering,Henan University,Kaifeng 475004,China；

【摘要】 A 1D zigzag polyoxometalate [(CH3)4N]1.50H3.50[Gd(GeW11O39)(H2O)2]·2.5H2O (1) was synthesized by reaction of the monovacant polyanion [α-GeW11O39]8-with Gd3+ ions in aqueous solution and characterized by IR, UV spectra, ICP, and X-ray crystallography. X-ray single-crystal structural analysis indicated that the title compound crystallized in a monoclinic lattice, C2/c space group with a=2.8201(5), b=2.2885(3), c=2.4033(4) nm, β=123.875 (2), V=12.878(4) nm3, Z=8, R1=0.0623, wR2=0.1287. The solid-state structure of the title compound displayed an infinite one-dimensional arrangement built up of [α-GeW11O39]8-polyanions connected by GdIII cations.

【Abstract】 A 1D zigzag polyoxometalate [(CH3)4N]1.50H3.50[Gd(GeW11O39)(H2O)2]·2.5H2O (1) was synthesized by reaction of the monovacant polyanion [α-GeW11O39]8–with Gd3+ ions in aqueous solution and characterized by IR, UV spectra, ICP, and X-ray crystallography. X-ray single-crystal structural analysis indicated that the title compound crystallized in a monoclinic lattice, C2/c space group with a=2.8201(5), b=2.2885(3), c=2.4033(4) nm, β=123.875 (2), V=12.878(4) nm3, Z=8, R1=0.0623, wR2=0.1287. The solid-state structure of the title compound displayed an infinite one-dimensional arrangement built up of [α-GeW11O39]8–polyanions connected by GdIII cations.

【关键词】 synthesis； crystal structure； tungstogermanate； rare earths；
【Key words】 synthesis； crystal structure； tungstogermanate； rare earths；
【基金】 supported by the National Natural Science Foundation of China (20771034,20773035);the Specialized Research Fund for the Doctoral Program of Higher Education (20040475001);Program for New Century Excellent Talents in University of Henan Province (2005KYCX011);the Natural Science Foundation of Henan Province (0611011900)
  • 【文献出处】 Journal of Rare Earths ,稀土学报(英文版) , 编辑部邮箱 ,2009年02期
  • 【分类号】TG146.45
  • 【被引频次】1
  • 【下载频次】28
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