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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Cracking the framework of bulk CuCN with flexible bipyrazolyl-based ligands to assemble [CuCN]_n-based coordination polymers
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Cracking the framework of bulk CuCN with flexible bipyrazolyl-based ligands to assemble [CuCN]_n-based coordination polymers

机译：用柔性基于联吡唑基的配体裂解本体的CuCN框架，以组装[CuCN] _n基的配位聚合物

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摘要

Solvothermal reactions of CuCN with a set of flexible bipyrazolyl-based ligands with different spacer lengths [(dmpz)(CH_2)_n(dmpz)] (dmpz = 3,5-dimethyl-pyrazolyl; n = 1-6) gave rise to six [CuCN] _n-based coordination polymers [(CuCN)_3L]_n (1: L = dmpzm; 2: L = dmpze), [(CuCN)_2L]_n (3: L = dmpzpr; 4: L = dmpzb; 5: L = dmpzp; 6: L = dmpzh). Compounds 1-6 were characterized by elemental analysis, IR, powder X-ray diffraction and single-crystal X-ray diffraction. 1 or 2 exhibits a 1D scolopendra-like chain assembled from a rare 1D zigzag [CuCN]_n chain with [CN-Cu-CN-Cu-L] (1: L = dmpzm; 2: L = dmpze) side arms. 3 or 4 shows a 2D (6,3) wave-like layer in which [Cu _6(μ-CN)_6L_2]_n (L = dmpzpr or dmpzb) double chains are interconnected by pairs of L bridges. 5 consists of two [CuCN]_n single chains that are linked by dmpzp bridges to form a rare 1D chain with an oblong channel. 6 has a 3D network in which the 2D [Cu_(10)(μ-CN)_(10)(dmpzh)_3]_n layers are interconnected by pairs of dmpzh bridges. In addition, the photoluminescent properties of 1-6 in the solid state at ambient temperature were investigated.
机译：CuCN与一组具有不同间隔长度的灵活的基于联吡唑基的配体的溶剂热反应[（dmpz）（CH_2）_n（dmpz）]（dmpz = 3,5-二甲基-吡唑基; n = 1-6）产生六[CuCN] _n基配位聚合物[（CuCN）_3L] _n（1：L = dmpzm; 2：L = dmpze），[（CuCN）_2L] _n（3：L = dmpzpr; 4：L = dmpzb; 5 ：L = dmpzp; 6：L = dmpzh）。通过元素分析，IR，粉末X射线衍射和单晶X射线衍射对化合物1-6进行表征。 1或2展示了由稀有的1D之字形[CuCN] _n链与[CN-Cu-CN-Cu-L]（1：L = dmpzm; 2：L = dmpze）侧臂组装而成的一维scolopendra状链。图3或图4示出了二维（6，3）波状层，其中[Cu _6（μ-CN）_6L_2] _n（L ＝ dmpzpr或dmpzb）双链由L桥对互连。 5由两条[CuCN] _n单链组成，这些单链通过dmpzp桥连接在一起，形成一条带有长方形通道的稀有一维链。图6具有3D网络，其中2D [Cu_（10）（μ-CN）_（10）（dmpzh）_3] _n层通过成对的dmpzh桥互连。另外，研究了在室温下固态下1-6的光致发光性质。

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