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Designed assemblies of metal halo and pseudohalo coordination polymers with bridging 1-substituted ditetrazoles

机译:设计的金属卤代和假卤代配位聚合物与桥联的1-取代的双四唑的组装

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摘要

The simple reactions between inorganic salts [CuX2 or M(SCN)(2)] and 1-ditetrazoles [btzb = 1,4-bis(tetrazol-1-yl)butane or btze = 1,2-bis(tetrazol-1-yl)ethane] at room temperature produced seven new coordination polymers: three-dimensional (3-D) CuX2(1,4-btzb) (X- = Cl- 1, Br- 2), two-dimensional (2-D) Cd(SCN)(2)(1,4-btzb) (3) and Cd(SCN)(2)(1,2-btze) (4), and one-dimensional (1-D) M(SCN)(2)(1,4-btzb)(2) (M = Ni 5, Co 6) and Ni(SCN)(2)(1,2-btze)(2) (7). With 1-ditetrazoles as the bridges, the 2-D grid-like CuX2 secondary building units (SBUs) are extended into 3-D network compounds I and 2, the I-D chained Cd(SCN)2 SBUs based on Cd(SCN)(2)Cd units are linked into 2-D layered compounds 3 and 4 with the macrocyclic rings, whereas the mononuclear trans-M(SCN)2 units are connected into 1-D chained compounds 5-7 based on M(1-ditetrazole)(2)M macrocyclic rings. It deserves mentioning that 1-ditetrazoles show different shapes in different complexes: Z-shape in 1-4 and V-shape in 5-7. All the complexes are characterized by elemental analysis (CHNS), infrared spectroscopy, and thermogravimetric analysis.
机译:无机盐[CuX2或M(SCN)(2)]与1-二四唑[btzb = 1,4-双(四唑-1-基)丁烷或btze = 1,2-双(四唑-1-)之间的简单反应在室温下生成7种新的配位聚合物:三维(3-D)CuX2(1,4-btzb)(X- = Cl-1,Br-2),二维(2-D) Cd(SCN)(2)(1,4-btzb)(3)和Cd(SCN)(2)(1,2-btze)(4)和一维(1-D)M(SCN)( 2)(1,4-btzb)(2)(M = Ni 5,Co 6)和Ni(SCN)(2)(1,2-btze)(2)(7)。以1-二唑为桥,将2-D网格状CuX2二级建筑单元(SBU)扩展为3-D网络化合物I和2,即基于Cd(SCN)(1)的ID链式Cd(SCN)2 SBU 2)Cd单元通过大环连接到2-D层状化合物3和4中,而单核反式M(SCN)2单元连接到基于M(1-二苯并恶唑)的1-D链状化合物5-7中。 (2)M个大环。值得一提的是,1-ditetrazoles在不同的络合物中显示出不同的形状:1-4中的Z形和5-7中的V形。所有复合物的特征在于元素分析(CHNS),红外光谱和热重分析。

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