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一种基于Lindqvist型多酸阴离子的三维多金属铌酸盐的晶体结构(英文)
引用本文:袁洋,李芳,付晓,马鹏涛.一种基于Lindqvist型多酸阴离子的三维多金属铌酸盐的晶体结构(英文)[J].化学研究,2011(5):19-24.
作者姓名:袁洋  李芳  付晓  马鹏涛
作者单位:阿克苏职业技术学院医学系;河南大学化学化工学院分子与晶体工程研究所;
摘    要:利用扩散法合成了K_3 NaH_1Nb_6O_(19)·11H_2O(1),借助IR、UV和X射线单晶衍射分析对这种化合物进行了结构和性质研究.其晶胞参数为:a=1.812 8(6)nm,b=1.790 8(6)nm,c=1.8130(7)nm,V=5.886(4)nm~3,Z=8,R_1I>2σ(I)]=0.071 0,ωR_2I>2σ(I)]=0.1857.化合物1由一个Lindqvist型H_4Nb_6O_(19)]~1聚阴离子,三个K~4离子,一个Na~+离子和十一个H_2O组成.

关 键 词:多酸阴离子  同多铌酸盐  扩散法  晶体结构

Crystal Structure of a new 3D polyoxoniobate based on Lindqvist type polyoxoanion
YUAN Yang,LI Fang,FU Xiao,MA Peng-tao.Crystal Structure of a new 3D polyoxoniobate based on Lindqvist type polyoxoanion[J].Chemical Research,2011(5):19-24.
Authors:YUAN Yang  LI Fang  FU Xiao  MA Peng-tao
Institution:YUAN Yang~1,LI Fang~2,FU Xiao~2,MA Peng-tao~(2*) (1.Department of Medicine,College of AKS Vocationa and Technical.Nanjiang 843000,Xinjiang,China,2.Institute of Molecular and Crystal Engineering,College of Chemistry and Chemical Engineering,Henan University,Kaifeng 475004,Henan,China)
Abstract:A new inorganic polyoxoniobate K3NaH4Nb6O19·11H2O(1) has been synthesized by the diffusion method and structurally characterized by infrared(IR),ultraviolet(UV) and single crystal X-ray diffraction.Crystal data for 1,a = 1.812 8(6) nm,b= 1.790 8(6) nm,c= 1.813 0(7) nm,V = 5.886(4) nm3,Z = 8,R1I2σ(I)]= 0.071 0,wR2I2σ(I)]= 0.185 7.The structure analysis indicates that 1 consists of one LindqvistH4Nb6O19]4- polyoxoanion, three K~+ cations,one Na~+ cation and eleven crystal water molecules.
Keywords:polyoxoanion  polyoxoniobate  diffusion method  crystal structure  
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