[Cu(en)_2]~(2+)修饰的二维仲钨酸化合物:[{Na_3(H_2O)_(10)}_2H_2{Cu(en)_2(H_2W_(12)O_(42))}]·16H_2O(英文)

利用水热合成法制备了一种基于Cu(en)2]2+修饰的仲钨酸化合物:{Na3(H2O)10}2H2{Cu(en)2(H2W12O42)}].16H2O(en=乙二胺)(1),借助元素分析、X射线单晶衍射分析I、R、UV、热分析和X射线光电子能谱对这种化合物进行了结构和性质研究.化合物(1)属于三斜晶系,P-1空间群.晶胞参数为:a=1.183 2(5)nm,b=1.296 0(6)nm,c=1.416 9(6)nm,α=63.348 0(10)°,β=82.844 0(10)°,γ=68.907 0(10)°,V=1.810 0(14)nm3,Z=1,R1I2σ(I)]=0.024 7,wR2I2σ(I)]=0.058 2.化合物(1)通过仲钨酸阴离子,铜离子和Na3(H2O)10]3+三核簇形成了新型的二维层状结构.

A New 2D Layer-Like Paradodecatungstate Modified by [Cu(en)2]2+: [{Na3(H2O)10}2H2{Cu(en)2(H2W12O42)}]·16H2O

A Cu(en)2]2+ modified paradodecatungstate, {Na3(H2O)10}2H2{Cu(en)2 (H2W12O42)}] · 16H2O (en = ethylenediamine) (1), was synthesized by hydrothermal method.The structure of the compound was characterized by elemental analysis, X-ray single crystal diffraction, IR spectroscopy, UV spectrum, TG analysis and X-ray photoelectron spectroscopy. Crystal data for (1), triclinic system, space group P-1, a = 1.183 2(5) nm, b = 1.296 0(6) nm, c = 1.416 9(6) nm, α = 63.348 0(10)°, β = 82.844 0(10)°, γ = 68.907 0(10)°, V = 1.810 0(14) nm3, Z = 1, R1 I > 2σ (I)] = 0.024 7, wR2I > 2σ(I)] = 0.058 2. (1) exhibits a novel 2D layer-like extended framework constructed by interconnecting the paradodecatungstate polyoxoanions and copper ions together with Na3(H2O)10]3+ clusters.