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Construction of Fe6, Fe8 and Mn8 metallamacrocyclic complexes and magnetic properties

机译:施工Fe6,Fe8和Mn8金属酰氯杂环络合物和磁性性能

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摘要

By treating FeSO4 or Mn(OAc)2 with 50-(pyridin-2-yl)-2H,40H-3,30-bi(1,2,4-triazole) (H2pbt), three novel metallamacrocycle-based complexes [Fe(Hpbt)(C2O4)0.5]n (1), {[Fe(pbt)(H2O)]$2H2O}n (2), {[Mn(pbt)(H2O)]$ 2EtOH$0.5H2O}n (3) have been synthesized and characterized. In 1, the hexanuclear metallamacrocycle units are connected with each other resulting in the formation of two-dimensional frameworks. Octanuclear metallamacrocycle-based complexes 2 and 3 display three-dimensional porous frameworks. Interestingly, left-and right-handed helical chains present alternately along the crystallographic c axis in 2 and 3. Magnetic susceptibility measurements show that the three complexes display different antiferromagnetic coupling intensities.
机译:通过用50-(吡啶-2-基)-2H,40H-3,30-Bi(1,2,4-三唑)(H2PBT),三种新型金属酰胺基复合物[Fe)来处理FeSO4或Mn(OAC)2。[Fe (HPBT)(C2O4)0.5] N(1),{[Fe(PBT)(H2O)] $ 2H2O} N(2),{[Mn(PBT)(H2O)] $ 2ETOH $ 0.5H2O} n(3) 已被合成并表征。 在1中,己核金属覆盖循环单元彼此连接,导致形成二维框架。 静脉核金属胞循环基配合物2和3显示三维多孔框架。 有趣的是,沿着晶体C轴交替存在于2和3的左手右手螺旋链。磁化率测量结果表明,三个配合物显示不同的反铁磁耦合强度。

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  • 来源
    《RSC Advances》 |2015年第109期|共6页
  • 作者单位

    The Department of Physics and Chemistry Henan Polytechnic University Jiaozuo 454000 P. R. China.;

    The Department of Physics and Chemistry Henan Polytechnic University Jiaozuo 454000 P. R. China.;

    The Department of Physics and Chemistry Henan Polytechnic University Jiaozuo 454000 P. R. China.;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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