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首页> 外文期刊>Journal of structural chemistry >Structure, spectral and luminescence properties of compounds of europium(III) with nicotinic acid and enrofloxacin
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Structure, spectral and luminescence properties of compounds of europium(III) with nicotinic acid and enrofloxacin

机译:与烟酸和恩诺沙星的化合物的结构,光谱和发光性质

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摘要

The compounds of Eu(III) with nicotinic acid and enrofloxacin are synthesized. Their composition and structure are proved by the data of elemental analysis, IR and luminescence spectroscopy, powder and single crystal X-ray diffraction. By single crystal X-ray diffraction, the structure of the compound of Eu with nicotinic acid is identified as a centrosymmetric dimer with 4 carboxylate bridges of the composition Eu_2(C_6H_4NO_2)_6·4H_2O. The Stark structure of the ~5D_0-~7F_j transitions in the mixed-ligand compounds of Eu(III) with nicotinic acid and enrofloxacin is determined. The bands of IR spectra are assigned; the conclusion about the bidentate coordination of ligands is made.
机译:合成了具有烟酸和恩诺沙星的Eu(III)化合物。通过元素分析,红外光谱和发光光谱,粉末和单晶X射线衍射等数据证明了它们的组成和结构。通过单晶X射线衍射,将Eu与烟酸的化合物的结构鉴定为具有4个组成Eu_2(C_6H_4NO_2)_6·4H_2O的羧酸盐桥的中心对称二聚体。确定了Eu(III)与烟酸和恩诺沙星的混合配体化合物中〜5D_0-〜7F_j跃迁的Stark结构。分配了红外光谱的波段;得出关于配体的二齿配位的结论。

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