水杨酸四核铁(Iii)簇的合成与结构表征

IF 0.5 Q4 CHEMISTRY, MULTIDISCIPLINARY

Chemistry Journal of Moldova Pub Date : 2020-12-01 DOI:10.19261/cjm.2020.758

Viorina Gorinchoy

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引用次数: 0

摘要

合成了一个新的四核铁(III)簇[Fe4O2(Sal)4(H2O)6]·4DMA·0.75H2O，其中Sal=水杨酸，DMA= N,N-二甲基乙酰胺通过2个µ3-氧和4个水杨酸桥固结，并用红外光谱方法和单晶x射线衍射分析对其进行了表征。所获得的四核化合物的结构由四个FeIII原子组成，呈“蝴蝶”状排列。两个铁原子的配位多面体分别由两个μ3-氧桥接原子和三个三齿桥接Sal2-配体提供的四个氧原子组成，而另外两个铁原子的配位多面体则由来自三个水分子、两个水杨酸分子和一个μ3-氧原子的六个氧原子组成。Fe-O- fe桥内Fe-O距离分别为2.102(3)Å(翼-体)和2.038(3)Å(体-体)。

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Synthesis and Structural Characterization of the Tetranuclear Iron(Iii) Cluster with Salicylic Acid

A new tetra-homonuclear iron(III) cluster, [Fe4O2(Sal)4(H2O)6]·4DMA·0.75H2O, where Sal= salicylic acid and DMA= N,N-dimethylacetamide consolidated via two µ3-oxo- and four salicylate-bridges was synthesized and characterized by IR spectroscopic method as well as by single crystal X-ray diffraction analysis. The structure of the obtained tetranuclear compound consists of four FeIII atoms in a “butterfly” arrangement. The coordination sphere of each of the two central FeIII atoms is generated by two μ3-oxo-bridging atoms and four oxygen atoms provided by the tridentate-bridging Sal2- ligands, while the coordination polyhedron of another two iron atoms involve six oxygen atoms from three water molecules, two salicylic and one μ3-oxigen atom. The Fe-O distances within Fe-O-Fe bridge are of 2.102(3) Å (for wing-body) and 2.038(3) Å (for body-body).

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来源期刊

Chemistry Journal of Moldova CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

0.90

自引率

20.00%

发文量

审稿时长

12 weeks

期刊介绍： "Chemistry Journal of Moldova. General, Industrial and Ecological Chemistry" seeks to publish experimental or theoretical research results of outstanding significance and timeliness in all fields of Chemistry, including Industrial and Ecological Chemistry. The main goal of this edition is strengthening the Chemical Society of Moldova, following development of research in Moldovan chemical institutions and promotion of their collaboration with international chemical community. Manuscripts are welcome from all countries.