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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Crystal structures and properties of four coordination polymers constructed from flexible pamoic acid
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Crystal structures and properties of four coordination polymers constructed from flexible pamoic acid

机译：柔性棕榈酸构成的四种配位聚合物的晶体结构和性能

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摘要

Four novel coordination polymers constructed from flexible pamoic acid, namely [Co(pam)(4,4′-bipy)]_n·nH_2O (1), [Ni(pam)(4,4′-bipy)(H_2O)_2]_n· 2nCH_3CN (2), [Cd(pam)(py)_2]_n·npy (3) and [Mn_2(pam)_2 (py)6(H_2O)_2] _n·2npy (4), (H_2pam = pamoic acid, 4,4′-bipy = 4,4′-bipyridine, py pyridine), have been synthesized and characterized by elemental analysis, infrared spectra and X-ray crystallography. Complex 1 is a 2-D coordination polymer constructed from chelating bis-bidentate pam and 4,4′-bipyridine bridging ligands. Complex 2 is a 2-D coordination polymer assembled by bis-monodentate pam and 4,4′-bipyridine, where acetonitrile is filled in the rectangle channels. Both 2-D coordination polymers display undulated (4,4) grid layers as sql topology. Complex 3 displays a 1-D polymeric chain using chelating bisbidentate pam as bridging ligand. Complex 4 exhibits an interesting bis-monodentate pam-Mn(II) 1-D polymeric chain, in which exist two-type six-coordinated manganese centers. Mn(1) is bound to four pyridine ligands, whereas Mn(2) is combined to two pyridine and two H_2O molecules. Their thermal stabilities have been investigated. Cadmium complex 3 displays strong green luminescence with emission maximum at 543 nm.
机译：由挠性棕榈酸构造的四种新型配位聚合物，即[Co（pam）（4,4'-bipy）] _ n·nH_2O（1），[Ni（pam）（4,4'-bipy）（H_2O）_2] _n·2nCH_3CN（2），[Cd（pam）（py）_2] _n·npy（3）和[Mn_2（pam）_2（py）6（H_2O）_2] _n·2npy（4），（H_2pam = pamoic通过元素分析，红外光谱和X射线晶体学合成了4,4'-联吡啶（4,4'-联吡啶= 4,4'-联吡啶，吡啶）配合物1是2-D配位聚合物，其由双双齿pam和4,4'-联吡啶桥接配体螯合构成。配合物2是由双单齿pam和4,4'-联吡啶组装而成的2-D配位聚合物，其中乙腈填充在矩形通道中。两种2-D配位聚合物均将起伏的（4,4）网格层显示为sql拓扑。络合物3显示出使用螯合双双峰pam作为桥连配体的1-D聚合物链。配合物4表现出有趣的双单齿pam-Mn（II）1-D聚合物链，其中存在两种六配位的锰中心。 Mn（1）结合到四个吡啶配体，而Mn（2）结合到两个吡啶和两个H_2O分子。已经研究了它们的热稳定性。镉配合物3表现出强烈的绿色发光，最大发射波长为543 nm。

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