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两个3d-4f杂核配合物[Fe(phen)3]2[FeLn(H2O)(tiron)3]·6H2O的合成、晶体结构和磁性(Ln=HoⅢ,YbⅢ)

储召华 ,  陈延民 ,  解庆范

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引用本文: 储召华, 陈延民, 解庆范. 两个3d-4f杂核配合物[Fe(phen)3]2[FeLn(H2O)(tiron)3]·6H2O的合成、晶体结构和磁性(Ln=HoⅢ,YbⅢ)[J]. 无机化学学报, 2013, 29(7): 1385-1390. doi: 10.3969/j.issn.1001-4861.2013.00.213 shu
Citation:  CHU Zhao-Hua, CHEN Yan-Min, XIE Qing-Fan. Syntheses, Crystal Structures and Magnetic Properties of Two 3d-4f Heterometallic Complexes [Fe(phen)3]2[FeLn(H2O)(tiron)3]·6H2O (Ln=HoⅢ, YbⅢ)[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(7): 1385-1390. doi: 10.3969/j.issn.1001-4861.2013.00.213 shu

两个3d-4f杂核配合物[Fe(phen)3]2[FeLn(H2O)(tiron)3]·6H2O的合成、晶体结构和磁性(Ln=HoⅢ,YbⅢ)

  • 基金项目:

    广东省科技厅科技项目(No.2011B090400521) (No.2011B090400521)

    福建省科技厅科技项目(No.2008F5053)资助项目。 (No.2008F5053)

摘要: Ln2O3、硝酸铁、邻菲罗啉和钛铁试剂(tiron)通过水热法自组装合成了2个异质同晶的3d-4f杂核配合物[Fe(phen)3]2[FeLn(H2O)(tiron)3]·6H2O,其中,Ln=HoⅢ (1)和YbⅢ (2)。X-射线单晶衍射分析表明,晶体属立方晶系,P213空间群。3个tiron4-配体利用酚氧桥联Ln3+和Fe3+形成具有C3对称性的[FeLn(H2O)(tiron)3]6-异双核配位单元,其中七配位的Ln3+呈现一种畸变的单帽反三棱柱配位构型。配阳离子[Fe(phen)3]3+通过phen-phen之间的π-π相互作用和与配阴离子间的静电引力等作用组装成三维的超分子。在2~300 K温度范围内测试了配合物的变温磁化率,结果表明,Ln(Ⅲ)-Fe(Ⅲ)之间存在反铁磁性相互作用。

English

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  • 收稿日期:  2012-07-01
  • 网络出版日期:  2013-02-02
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