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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15156

Title: An Unique Stair-like Infinite Chain polymer Containing Dimeric N2S3 Square-pyramidal Iron(III) Complex
Authors: Hsieh, Chang-Chih;Chao, Wan-Jung;Horng, Yih-Chern
Contributors: 化學系
Keywords: Iron complex;Nitrile hydratase;Thiols;Amide;Square pyramidal;Coordination polymer
Date: 2009-08
Issue Date: 2013-01-07T02:15:57Z
Publisher: Elsevier
Abstract: A one-dimensional stair-like coordination polymer, [Fe2L2Na2(CH3CN)2(Et2O)2]n {1, where L4− = N,N’-bis-(2-mercaptophenyl)-2-methyl-2-[(2-methylthio)phenylmethyl] malonyl diamide}, was produced from the one-pot reaction of iron(III) chloride with 2-methyl-2-[(2-methylthio)phenylmethyl] malonyl chloride, 2-aminobenzenethiol and sodium hydride in DMF solution, and was structurally characterized. The dimeric pentacoordinate Fe(III) anionic units are linked by two bridging four-coordinate Na+ cations. Each trivalent iron atom is equatorially coordinated by two deprotonated carboxamido N and S atoms of the ligand. The bridging S atom, occupying the axial position, accomplishes the square-pyramidal geometry of iron center. The coordination environment is very similar to the unmodified active site of Fe-containing nitrile hydratase. In addition, the electronic and magnetic properties of this dimeric complex are included in this report.
Relation: Inorganic Chemistry Communications, 12(8): 778-781
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