A Novel Dimer──Heteropolytungstate with a Vanadium Atom as the Centre ──Synthesis and Structural Characterization of (H_3O)_4[VW_(12)O_(40)Na(H_2O)_4]_2  

作　　者：LIU Zong-rui XU Lin WANG En-bo PENG Jun HU Chang-wen XING Yan LIN Yong-hua JIA Heng-qing 

机构地区：[1]Department of Chemistry,Northeast Normal University,Changchun 130024,P.R.China [2]Inner Mongdia TeadhersCollege for Nationalities,Tongliao 028043,P.R China [3]Changchun Insitute of Applied Chemistry,Aadamia of Sinica,Changchun 130022,P.R.China

出　　处：《Chemical Research in Chinese Universities》2000年第3期198-202,共5页高等学校化学研究(英文版)

基　　金：Supported financially by the Key laboratory of Inorganic Hydrothermal Synthesis of Jilin University

摘　　要：A novel dimer tungstovanadate, (H 3O) 4[VW 12 O 40 Na(H 2O) 4] 2, was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction, IR spectra, TGA DSC thermal analysis and polarograpy. The yellowish crystal crystallized in the triclinic system, space group P1, a =1 464 5(3) nm, b =1 468 6(3) nm, c =1 411 1(3) nm, α=111 82(2)°, β=93 17(3)°, γ=117 47(3)°, V =2 210 6(8) nm 3, Z=1, D c=4 552 g·cm -3 , λ (Mo Kα )=0 071 073 nm, μ =31 402 mm -1 , F(000)=2 648, R =0 078 0. The title compound consists of two Keggin structure units linked together with two hydrated sodium cations to form a dimer with a porous structure with the pore dimension of 0 766 nm×0 778 5 nm. [WT5FZ]A novel dimer tungstovanadate, (H 3O) 4[VW 12 O 40 Na(H 2O) 4] 2, was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction, IR spectra, TGA DSC thermal analysis and polarograpy. The yellowish crystal crystallized in the triclinic system, space group P1, a =1 464 5(3) nm, b =1 468 6(3) nm, c =1 411 1(3) nm, α=111 82(2)°, β=93 17(3)°, γ=117 47(3)°, V =2 210 6(8) nm 3, Z=1, D c=4 552 g·cm -3 , λ (Mo Kα )=0 071 073 nm, μ =31 402 mm -1 , F(000)=2 648, R =0 078 0. The title compound consists of two Keggin structure units linked together with two hydrated sodium cations to form a dimer with a porous structure with the pore dimension of 0 766 nm×0 778 5 nm. [WT5FZ]

关 键 词：SYNTHESIS Crystal structure Tungstovanadate 

分 类 号：O614[理学—无机化学]