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Synthesis and Crystal Structure of (NH4)(3) [UO2(CH3COO)(3)](2)[UO2(CH3 COO)(NCS)(2)(H2O)]

机译:(NH4)(3)[UO2(CH3COO)(3)](2)[UO2(CH3 COO)(NCS)(2)(H2O)]的合成和晶体结构

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摘要

Single crystals of the compound (NH4)(3)[UO2(CH3COO)(3)](2)[UO2(CH3COO)(NCS)(2)(H2O)] (I) are synthesized, and their structure is investigated using X-ray diffraction. Compound I crystallizes in the monoclinic system with the unit cell parameters a = 18.3414(6) angstrom, b = 16.3858(7) angstrom, c = 12.4183(5) angstrom, beta = 92.992(1)degrees, space group C2/c, Z - 4, V - 3727.1(3) angstrom(3), and R - 0.0253. The uranium-containing structural units of crystals I are mononuclear complexes of two types with an island structure, i.e., the [UO2(CH3COO)(3)](-) anionic complexes belonging to the crystal-chemical group AB(3)(01) (A = UO22+, B-01 = CH3COO-) of the uranyl complexes and the [UO2(CH3COO)(NCS)(2)(H2O)](-) anionic complexes belonging to the crystal-chemical group AB(01)M(3)(1) (A = UO22+, B-01 = CH3COO-, M-1 = NCS- or H2O).
机译:合成了化合物(NH4)(3)[UO2(CH3COO)(3)](2)[UO2(CH3COO)(NCS)(2)(H2O)](I)的单晶,并使用X射线衍射。化合物I在单斜晶系系统中结晶,其晶胞参数a = 18.3414(6)埃,b = 16.3858(7)埃,c = 12.4183(5)埃,beta = 92.992(1)度,空间群C2 / c, Z-4,V-3727.1(3)埃(3)和R-0.0253。晶体I的含铀结构单元是具有岛结构的两种类型的单核络合物,即属于晶体化学基团AB(3)(01)的[UO2(CH3COO)(3)](-)阴离子络合物)(A = UO22 +,B-01 = CH3COO-)的铀酰配合物和[UO2(CH3COO)(NCS)(2)(H2O)](-)阴离子配合物,属于晶体化学基团AB(01) M(3)(1)(A = UO22 +,B-01 = CH3COO-,M-1 = NCS-或H2O)。

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