Four new binuclear Fe(Ⅲ) complexes containing the diboon of isophthallc acid as bridge have been synthesized, namely [Fe2(IPHTA)(L)4](ClO4)4[L denotes 2, 2'-bipyridyl (bpy); 1,10-phenanthroline (phen); 4, 4'-...Four new binuclear Fe(Ⅲ) complexes containing the diboon of isophthallc acid as bridge have been synthesized, namely [Fe2(IPHTA)(L)4](ClO4)4[L denotes 2, 2'-bipyridyl (bpy); 1,10-phenanthroline (phen); 4, 4'-dimethyl-2, 2'-bipyridyl (Me2bpy ) and 5-nitro-1, 10-phenanthroline (NO2-phen), respectively], where IPHTA represents the isophthalate dianion. The complex [Fe2(IPHTA)(phen)4](CIO4)4 was characterized with variable temperature magnetic susceptibility (4-300K). The exchange integral J was found to be 9. 96cm(-1), indicating that weakly ferromagnetic spin-exchange interaction operates between Fe(Ⅲ) and Fe(Ⅲ) ions.展开更多
文摘Four new binuclear Fe(Ⅲ) complexes containing the diboon of isophthallc acid as bridge have been synthesized, namely [Fe2(IPHTA)(L)4](ClO4)4[L denotes 2, 2'-bipyridyl (bpy); 1,10-phenanthroline (phen); 4, 4'-dimethyl-2, 2'-bipyridyl (Me2bpy ) and 5-nitro-1, 10-phenanthroline (NO2-phen), respectively], where IPHTA represents the isophthalate dianion. The complex [Fe2(IPHTA)(phen)4](CIO4)4 was characterized with variable temperature magnetic susceptibility (4-300K). The exchange integral J was found to be 9. 96cm(-1), indicating that weakly ferromagnetic spin-exchange interaction operates between Fe(Ⅲ) and Fe(Ⅲ) ions.
