Synthesis and Structural Characterization of Di-<i>μ</i>-Phenoxo-Bridged Dinuclear Iron(III) Complexes with Ferromagnetic or Weak Antiferromagnetic Coupling
作者:Masahiro Mikuriya、Yoshihisa Kakuta、Ryoji Nukada、Takanori Kotera、Tadashi Tokii
DOI:10.1246/bcsj.74.1425
日期:2001.8
magnetic susceptibilities. Single-crystal X-ray analysis has revealed that all of the complexes are dinuclear iron(III) complexes having a dinuclear iron(III) core bridged by two phenoxo-oxygen atoms of the Schiff-base ligands. The magnetic-susceptibility data show that a ferromagnetic interaction is operative within a dinuclear core in 1–4, 6, and 7 with J values ranging from 0.17(5) to 1.56(15) cm−1, whereas
与 N-salicylidene-2-hydroxy-5-bromobenzylamine (H2La)、N-salicylidene-2-hydroxy-5-chlorobenzylamine (H2Lb) 和 N-salicylidene-2-hydroxybenzylamine (H2Lc) 的双核苯氧基桥联铁 (III) 络合物): [Fe2(La)2(CH3CO2)2] (1), [Fe2(La)2(C6H5CO2)2] (2), [Fe2(La)(CH3)3CCO2}2] (3), [ Fe2(La)2(C6H5O)2PO2}2](4)、[Fe2(La)2(CH3COCHCOCH3)2](5)、[Fe2(Lb)2(CH3CO2)2](6)和[Fe2 (Lc)2(CH3CO2)2] (7) 已被合成并通过红外和电子光谱以及磁化率的测量表征。单晶 X 射线分析表明,所有配合物都是双核铁