节点文献
两个铁(Ⅲ)Schiff碱配合物的合成、晶体结构及磁性研究
Synthesis,Crystal Structures and Magnetic Properties of Two New Schiff Base Iron(Ⅲ) Complexes
【摘要】 分别以H2salpn(N,N′-bis(salicylidene)-1,3-diaminopropane)、H2ins(N-isonicotinamidosalicylaidimine)为配体与Fe(ClO4)3以及咪唑(Him)、4,4′-bpy等端基配体进行反应得到两个新的配合物[Fe(salpn)(Him)2]ClO4(1)和[Fe(ins)(NCS)2(H2O)]·bpy(2),并对其进行了元素分析、X-射线单晶结构分析、变温磁化率表征.晶体结构表明,两个配合物均为单核结构,Fe(Ⅲ)均处在六配位八面体场中.变温磁化率分析表明,在配合物1和2中,单核Fe(Ⅲ)配合物分子间均存在弱的反铁磁相互作用,配合物1的最佳拟合值为zj′=-0.21cm-1,g=1.96;配合物2的最佳拟合值为zj′=-0.16 cm-1,g=1.97.
【Abstract】 Using H2salpn(N,N’-bis(salicylidene)-1,3-diaminopropane),H2ins(N-isonicoti-namidosali -cylaidimine) and imidazole or 4,4’-bpy as ligands,two new iron(Ⅲ) complexes[Fe (salpn)(Him)2]ClO4(1) and[Fe(ins)(NCS)2(H2O)]·bpy(2) were synthesized and characterized by elemental analysis,X-ray crystal structure analysis and variable temperature magnetic measurements.X-ray crystal structure analysis shows that both complexes are mononuclear iron complexes,Fe(Ⅲ) ions are six coordinated.Magnetic measurements in the range of 2 - 300 K for complex 1 and 2 indicate weak antiferromagnetic interaction between the adjacent Fe (Ⅲ) ions.For complex 1,the best fittings to the experimental magnetic susceptibilities gives zj’=-0.21 cm-1,g=1.96,for complex 2,zj’= -0.16 cm-1,g=1.97.
【Key words】 iron(Ⅲ) complex; Schiff base; crystal structure; magnetic properties;
- 【文献出处】 南开大学学报(自然科学版) ,Acta Scientiarum Naturalium Universitatis Nankaiensis , 编辑部邮箱 ,2011年01期
- 【分类号】O627.8
- 【被引频次】3
- 【下载频次】208