席夫碱类三明治型铽/镝金属配合物的合成、表征及磁性（英文）  

Sandwich-Type Tb and Dy Complexes with Schiff-Base Ligand: Syntheses, Crystal Structures and Magnetic Properties

作　　者：杨立国[1] 王芳[1] 郁有祝[1] 王鑫[1] 张永辉 杨华 王大奇[2] 李大成[2] YANG Li-Guo;WANG Fang;YU You-Zhu;WANG Xin;ZHANG Yong-Hui;YANG Hua;WANG Da-Qi;LI Da-Cheng(College of Chemistry and Environmental Engineering,Anyang Institute of Technology,Anyang,Henan 455000,China;School of Chemistry and Chemical Engineering,Liaocheng University,Liaocheng,Shandong 252000,China)

机构地区：[1]安阳工学院化学与环境工程学院,安阳455000 [2]聊城大学化学化工学院,聊城252000

出　　处：《无机化学学报》2018年第10期1891-1898,共8页Chinese Journal of Inorganic Chemistry

基　　金：河南省科技攻关项目(No.182102210200);安阳工学院校基金项目(No.YJJ2016014)资助

摘　　要：以N,N′-二(4-甲氧基水杨基)邻苯二胺(H2L)为配体合成了2个新的稀土配合物[M_2L_3(H_2O)](M=Tb (1),Dy (2)),并对它们进行了红外分析、元素分析和单晶结构分析。单晶衍射结果表明,配合物1和2均为三明治型双核配合物。此外还研究了配合物1和2的磁学性质,结果表明配合物1和2都表现出反铁磁性作用和场诱导效应引起的慢弛豫行为。配合物2的有效能垒和驰豫时间分别为35.45 cm-1和2.7×10^(-10) s。Two new sandwich-type di-lanthanide complexes[M2L3(H2O)](M=Tb(1),Dy(2),H2L=N,N′-bis(4-methyloxysalicylidene)benzene-1,2-diamine)were synthesized by treating the Schiff-base ligand with M(acac)3·6H2O(M=Tb,Dy)and characterized by elemental analysis,IR spectra and X-ray single crystal diffraction.X-ray single crystal diffraction analysis reveals that 1 and 2 have a similar new triple-deck dinuclear sandwich structure.The magnetic measurements of complexes 1 and 2 indicated that 1 and 2 exhibit the antiferromagnetic interactions between lanthanide ions,and field-induced slow magnetic relaxation.The deduced effective energy barrier(Ueff)and relaxation time(τ0)are 35.45 cm-1 and 2.7×10^-10 s for 2.CCDC:1818315 1;1818316,2.

关 键 词：铽(Ⅲ)和镝(Ⅲ)配合物 席夫碱 晶体结构 磁学性质 

分 类 号：O614.341[理学—无机化学] O614.342[理学—化学]