应用化学 ›› 2017, Vol. 34 ›› Issue (6): 693-699.DOI: 10.11944/j.issn.1000-0518.2017.06.160307

• 研究论文 • 上一篇    下一篇

基于一维[H2Mo4O14]n2n-链和双吡啶双酰胺配体的三维锌配合物的合成、结构与性能

林宏艳(),孙俊俊,王青林,曾凌,刘国成,林佳凤   

  1. 渤海大学化学化工学院 辽宁 锦州 121013
  • 收稿日期:2016-08-08 接受日期:2016-10-09 出版日期:2017-05-31 发布日期:2017-05-31
  • 通讯作者: 林宏艳
  • 基金资助:
    国家自然科学基金资助项目(21501013,21401010)

A Three-Dimensional Zinc Compound Based on One-Dimensional [H2Mo4O14]n2n- Chain and Bis(pyridyl)-Bis(amide) Ligand: Synthesis, Structure and Property

LIN Hongyan(),SUN Junjun,WANG Qinglin,ZENG Ling,LIU Guocheng,LIN Jiafeng   

  1. College of Chemistry and Chemical Engineering,Bohai University,Jinzhou,Liaoning 121013,China
  • Received:2016-08-08 Accepted:2016-10-09 Published:2017-05-31 Online:2017-05-31
  • Contact: LIN Hongyan
  • Supported by:
    Supported by the National Natural Science Foundation of China(No.21501013, No.21401010)

摘要:

选择柔性的双吡啶双酰胺配体N,N'-双(3-吡啶甲酰胺基)-1,2-乙烷(3-bpye)、钼酸铵和氯化锌在水热条件下自组装制备了一个基于一维[H2Mo4O14]n2n-链的三维锌配合物[Zn(3-bpye)(H2Mo4O14)(H2O)2],并通过元素分析、红外光谱、热重分析等技术手段研究了配合物的结构,并利用X射线单晶衍射分析进行了晶体结构表征。 结构解析揭示标题配合物是三斜晶系,P-1空间群,晶胞参数a=0.61310(3) nm,b=1.04750(6) nm,c=1.06540(6) nm,α=78.5540(10)°,β=77.5350(10)°,γ=89.9050(10)°,V=0.65420(6) nm3,Mr=981.47,Dc=2.491 g/cm3,Z=1,F(000)=468,R1=0.0290,ωR2=0.1068。 标题配合物中,金属锌离子连接一维[H2Mo4O14]n2n-链形成一种二维无机双金属层[Zn(H2Mo4O14)]n,相邻的层间又通过双齿配体3-bpye连接形成三维CdSO4拓扑的骨架结构。配合物表现出强的荧光发射特性,而且其在紫外光照下对亚甲基蓝和罗丹明B均有明显的催化降解活性。 CCDC:1493115

关键词: 多钼酸盐, 双吡啶双酰胺配体, 锌配合物, 晶体结构, 荧光性质, 光催化活性

Abstract:

A three-dimensional(3D) zinc compound [Zn(3-bpye)(H2Mo4O14)(H2O)2](3-bpye=N,N'-bis(3-pyridinecarboxamide)-1,2-ethane) based on one-dimensional(1D) [H2Mo4O14]n2n- chain was hydrothermally prepared by bis(pyridyl)-bis(amide) ligand, ammonium molybdate and zinc chloride. Structural analysis by element analysis, indrared(IR) spectroscopy, thermogravity(TG) and X-ray single-crystal diffraction(XRD) reveal that the title compound is triclinic system with P-1 space group. Its cell parameters are a=0.61310(3) nm, b=1.04750(6) nm, c=1.06540(6) nm, α=78.5540(10)°, β=77.5350(10)°, γ=89.9050(10)°, V=0.65420(6) nm3, Mr=981.47, Dc=2.491 g/cm3, Z=1, F(000)=468, R1=0.0290, ωR2=0.1068. In the title compound, 1D [H2Mo4O14]n2n- chains are linked by the Zn2+ ions to form 2D inorganic bimetallic layer [Zn(H2Mo4O14)]n. The adjacent 2D layers are further connected by the bridging ligands 3-bpye to construct 3D framework with CdSO4 topology. This zinc compound possesses strong fluorescence emission. Moreover, this compound shows remarkable photocatalytic activities for the degradation of methylene blue and rhodamine B under ultraviolet irradiation. CCDC: 1493115.

Key words: polyoxomolybdate, bis(pyridyl)-bis(amide) ligand, zinc compound, crystal structure, fluorescent property, photocatalytic activity