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题名: V-shaped Fe-3(III) and linear Fe-II/Fe-III/Fe-II complexes supported byphenyl-pyridine-2-yl-methanone oxime ligand: Solvothermal syntheses,structures and magnetic property
作者: Chen, Wen-Qian ;  Chen, Yan-Mei ;  Lei, Tao ;  Liu, Wei ;  Li, Yahong
刊名: INORGANIC CHEMISTRY COMMUNICATIONS
出版日期: 2012
卷号: 19, 页码:4-9
关键词: Crystal structures ;  Multinuclear iron complexes ;  Solvothermal synthesis
英文摘要: Under solvothermal conditions, one polynuclear Fe-III complex of formula (Fe-3{(Py)C(Ph)O}(4)Cl-4}FeCl4] (1) was synthesized from reaction of phenyl-pyridine-2-yl-methanone oxime (py)C(ph)NOH with FeCl3, and one Fe-II/Fe-III/Fe-II complex of composition [Fe-3{(py)C(ph)NO}(6)][CH3COO] (2) was prepared from treatment of (Py)c(ph)NOH with Fe(OAc)(2). The most interesting synthetic feature of complex 1 is the in situ transformation of (py)C(ph)NOH into the (py)C(ph)O- ligand. Complexes 1 and 2 were characterized by X-ray single crystal diffraction, IR spectroscopy, and elemental analysis. X-ray analysis revealed that complex 1 contains a V-shaped Fe-III core with two terminal Fe atoms displaying distorted square-pyramidal geometries and one central Fe-III ion exhibiting octahedron geometry. Complex 2 is a mixed-valence linear Fe-II/Fe-III/Fe-II complex with all the three metal centers displaying distorted octahedron geometries. The low-temperature magnetic susceptibility measurement for the solid sample of 1 revealed the weak anti-ferromagnetic Fe-III center dot center dot center dot Fe-III interactions. Theoretical calculations based on density functional theory were performed using the crystal structure of complex 1. (C) 2012 Elsevier B.V. All rights reserved. Under solvothermal conditions, one polynuclear Fe-III complex of formula (Fe-3{(Py)C(Ph)O}(4)Cl-4}FeCl4] (1) was synthesized from reaction of phenyl-pyridine-2-yl-methanone oxime (py)C(ph)NOH with FeCl3, and one Fe-II/Fe-III/Fe-II complex of composition [Fe-3{(py)C(ph)NO}(6)][CH3COO] (2) was prepared from treatment of (Py)c(ph)NOH with Fe(OAc)(2). The most interesting synthetic feature of complex 1 is the in situ transformation of (py)C(ph)NOH into the (py)C(ph)O- ligand. Complexes 1 and 2 were characterized by X-ray single crystal diffraction, IR spectroscopy, and elemental analysis. X-ray analysis revealed that complex 1 contains a V-shaped Fe-III core with two terminal Fe atoms displaying distorted square-pyramidal geometries and one central Fe-III ion exhibiting octahedron geometry. Complex 2 is a mixed-valence linear Fe-II/Fe-III/Fe-II complex with all the three metal centers displaying distorted octahedron geometries. The low-temperature magnetic susceptibility measurement for the solid sample of 1 revealed the weak anti-ferromagnetic Fe-III center dot center dot center dot Fe-III interactions. Theoretical calculations based on density functional theory were performed using the crystal structure of complex 1. (C) 2012 Elsevier B.V. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2058
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Chen, Wen-Qian,Chen, Yan-Mei,Lei, Tao,et al. V-shaped Fe-3(III) and linear Fe-II/Fe-III/Fe-II complexes supported byphenyl-pyridine-2-yl-methanone oxime ligand: Solvothermal syntheses,structures and magnetic property[J]. INORGANIC CHEMISTRY COMMUNICATIONS,2012,19:4-9.
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