一维链状配位聚合物{[Cu(μ-H2L)(L)Cl](ClO4)3}∞的合成、结构及磁性研究(L=N,N′-双(吡啶基-3-亚甲基)-1,5-二氮环辛烷) |
Synthesis, Crystal Structure and Magnetic Properties of a 1D Chain Coordination Polymer {[Cu(μ-H2L)(L)Cl](ClO4)3}∞(L=N,N′-Bis(pyridyl-3-yl-methyl)-1,5-diazacyclooctane) |
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摘要: 设计合成了一个新型吡啶基二氮环配体L(N,N′-双(吡啶基-3-亚甲基)-1,5-二氮环辛烷) 及其铜配位聚合物{[Cu(μ-H2L)(L)Cl](ClO4)3}∞(1),研究了此配合物的晶体结构、光谱及磁性质。该配合物属正交晶系,Pnma空间群,晶胞参数为a=3.517 0(17) nm,b=1.044 0(5) nm,c=1.196 6(6) nm,V=4.394(4) nm3,Z=4。配体L以顺式螯合和反式桥联两种不同的配位形式将铜离子连接起来形成一维链状阳离子结构。 |
关键词: 二氮中环配体 配位聚合物 晶体结构 磁性质 |
基金项目: |
Abstract: A novel CuⅡ coordination polymer {[Cu(μ-H2L)(L)Cl](ClO4)3}∞(1) with a new pyridyl-functionalized diazamesocyclic ligand L (L=N,N′-bis(pyridyl-3-yl-methyl)-1,5-diazacyclooctane) was synthesized and characterized. The crystal structure (orthorhombic, Pnma, a=3.517 0(17) nm, b=1.044 0(5) nm, c=1.196 6(6) nm, V=4.394(4) nm3, Z=4), spectra and magnetic properties of complex 1 were investigated. The CuⅡ centers are linked through the ligand L with two different coordination modes (cis-chelated and trans-bridged) to form a 1D chain cationic motif. CCDC: 243860. |
Keywords: diazamesocyclic ligand crystal structure coordination polymer magnetism |
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杜 淼,郭亚梅,史学松,卜显和,Ribas J..一维链状配位聚合物{[Cu(μ-H2L)(L)Cl](ClO4)3}∞的合成、结构及磁性研究(L=N,N′-双(吡啶基-3-亚甲基)-1,5-二氮环辛烷)[J].无机化学学报,2004,20(10):1150-1154. |
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