Citation: Yan Tuan LI, Dai Zheng LUO, Zong Hui JIANG, Geng Lin WANG. FERROMAGNETICALLY COUPLED BINUCLEAR Fe(Ⅲ) COMPLEXES THROUGH ISOPHTHALATO-BRIDGE[J]. Chinese Chemical Letters, ;1994, 5(9): 799-802. shu

FERROMAGNETICALLY COUPLED BINUCLEAR Fe(Ⅲ) COMPLEXES THROUGH ISOPHTHALATO-BRIDGE

Department of Chemistry, Nankai University, Tianjin, 300071

Received Date: 30 May 1994

Four new binuclear Fe(Ⅱ) complexes containing the dianion of isophthalic 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](ClO₄)₄ was characterized with variable temperature magnetic susceptibility (4-300K).The exchange integral J was found to be 9.96 cm^-1,indicating that weakly ferromagnetic spin-exchange interaction operates between Fe(Ⅱ) and Fe(Ⅱ) ions.
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