摘要
合成和表征了三种新的异三核配合物,{[Gd(L)_2]_2[Cu(Pba)]}(CO_4)_4,其中pba为1,3-亚丙基双(草胺酸根)和L表示1,10-菲咯琳(phen),5-硝基-1,10-菲咯琳(NO_2-phen)或2,2’-联吡啶(bpy).基于{Gd(phen)_2(ClO_4)]_2[Cu(pba)]}(ClO_4)_2·2H_2O的变温磁化率测量(4.1～300K),求出交换积分J=3.576cm^(-1).表明在铜(Ⅱ)和钆(Ⅲ)离子间存在铁磁性偶合.
Three novel heterotrinuclear complexes have been synthesized and characterized, namely { [Gd(L)2]2 [Cu (pba)]} (ClO4)4, where pba denotes 1,3 - propylenebis(oxamato), L stands for 1,10- phenanthroline( phen), 5 - nitro - 1,10 - phenanthroline (NO2 - phen) or 2,2' - bipyridyl(bpy). The temperature dependence of the magnetic susceptibility of {[Gd(phen)2 -(ClO4)]2[Cu(pba)]} (ClO4)2·2H2O has been studied in the 4 - 300K range,giving the exchange intergral J = 3. 56cm-1 .This indicates a weak ferromagnetic interaction between the copper (II) and gadolinum(III) ions.
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
1997年第3期285-289,共5页
Acta Chimica Sinica
基金
国家自然科学基金
天津市21世纪青年基金
南京大学配位化学国家重点实验室基金资助课题.
