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在室温条件下合成了含三核铁簇的硫酸盐配合物K2(H3O)3[Fe3(H2O)3O(SO4)6].6 H2O,借助IR光谱、紫外-可见吸收光谱、X射线光电子能谱(XPS)和X射线单晶衍射等测试手段对其结构进行了表征.结果表明,标题化合物属于六方晶系,P6(3)/m空间群,晶胞参数为:a=b=0.963 7(2)nm,c=1.885 1(9)nm,V=1.516 3(9)nm3,Z=2,Dc=2.316 g/cm3,GOOF=1.089,R1=0.062 8,wR2=0.165 1.其分子由1个三核铁簇阴离子[Fe3(H2O)3O(SO4)6]5-、2个K+离子、3个水合质子H3O+和6个结晶水分子组成.
The sulfate complex K2 (H3O) 3 [Fe3 (H2O) 3O (SO4) 6] .6 H2O containing trinuclear iron clusters was synthesized at room temperature by means of IR, UV-Vis absorption spectra, X-ray photoelectron energy XPS and X-ray single crystal diffraction. The results show that the title compound belongs to the hexagonal system P6 (3) / m space group with unit cell parameters of a = b = 0.963 7 (2) nm, c = 1.885 1 (9) nm, V = 1.5163 (9) nm3, Z = 2, Dc = 2.316 g / cm3, GOOF = 1.089, R1 = 0.062 8, wR2 = It consists of one tri-iron cluster anion [Fe3 (H2O) 3O (SO4) 6] 5-, two K + ions, three hydrated protons H3O + and six crystal water molecules.