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]2n-n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]2n-n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
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]2n-n 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]2n-n 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.
参考文献
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%