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首页> 外文期刊>Crystal growth & design >Two Coordination Polymers Involving Triangular and Linear Trinuclear Co(II) Clusters Created Via In situ Ligand Synthesis
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Two Coordination Polymers Involving Triangular and Linear Trinuclear Co(II) Clusters Created Via In situ Ligand Synthesis

机译:通过原位配体合成产生的涉及三角形和线性三核Co(II)团簇的两种配位聚合物

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摘要

Two novel 3D metal-organic frameworks with cobalt(II) clusters as nodes and mixed bridging ligands as links, {[Co-3(OH)(tbiP)(2)(Htbip)(dps)(dpds)(0.5)]}(n) (1) and {[Co-2 (H2O)(tbip)(2)(dps)]center dot CH3OH center dot 2 H2O}(2n) (2) (dps = 4,4'-dipyridylsulfide, dpds = 4,4'-dipyridyldisulfide, H(2)tbip = 5-tert-butyl isophthalic acid), were obtained from the same reaction mixture but tuned by different hydrothermal temperatures: at 120 degrees C, product 1 is a 3D MOF based on the novel triangular trinuclear cluster node, whereas at 160 degrees C, product 2 is a 3D MOF constructed from both a linear trinuclear cluster node and a mononuclear Co-II node. The starting dpds reagent was partly converted into dps ligand in 1 and wholly transferred into dps in 2 via new in situ cleavage of both S-S and S-C bonds and temperature-dependent in situ ligand rearrangement of dpds.
机译:两种新颖的3D金属有机框架,其中钴(II)簇为节点,混合的桥接配体作为链接,{[Co-3(OH)(tbiP)(2)(Htbip)(dps)(dpds)(0.5)]} (n)(1)和{[Co-2(H2O)(tbip)(2)(dps)]中心点CH3OH中心点2 H2O}(2n)(2)(dps = 4,4'-二吡啶硫醚,dpds从相同的反应混合物中获得4,4'-二吡啶基二硫化物(H(2)tbip = 5-叔丁基间苯二甲酸),但通过不同的水热温度进行调节:在120摄氏度下,产物1为基于新型三角形三核簇节点,而在160摄氏度时,乘积2是由线性三核簇节点和单核Co-II节点构成的3D MOF。起始dpds试剂在1中部分转化为dps配体,并通过S-S和S-C键的新原位裂解以及dpds的温度依赖性原位配体重排全部转移为2中的dps。

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