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首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Controllable assembly of a three-dimensional metal-organic supramolecular framework displaying hydrogen-bonding and π-π stacking interactions
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Controllable assembly of a three-dimensional metal-organic supramolecular framework displaying hydrogen-bonding and π-π stacking interactions

机译:显示氢键和π-π堆积相互作用的三维金属-有机超分子骨架的可控组装

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摘要

The complex poly[[aqua(μ2-phthalato-κ2 O 1:O2){μ3-2-[3-(pyridin-2-yl)-1H-pyrazol-1-yl]acetato- κ4 N2,N3:O:O'}{μ2-2-[3-(pyridin-2-yl)- 1H-pyrazol-1-yl]acetato-κ3 N2,N3:O} dizinc(II)] dihydrate], {[Zn2(C10H8N 3O2)2(C8H4O 4)(H2O)] 2H2O}n , has been prepared by solvothermal reaction of 2-[3-(pyridin-2-yl)-1H-pyrazol-1-yl]acetonitrile (PPAN) with zinc(II). Under hydrothermal conditions, PPAN is hydrolyzed to 2-[3-(pyridin-2-yl)-1H-pyrazol-1-yl]acetate (PPAA-). The structure determination reveals that the complex is a one-dimensional double chain containing cationic [Zn4(PPAA)4]4+ structural units, which are further extended by bridging phthalate ligands. The one-dimensional chains are extended into a three-dimensional supramolecular architecture via hydrogen-bonding and π-π stacking interactions.
机译:复合[[aqua(μ2-phthalato-κ2O 1:O2){μ3-2-[3-(吡啶-2-基)-1H-吡唑-1-基]乙酰基-κ4N2,N3:O: O'} {μ2-2-[3-(吡啶-2-基)-1H-吡唑-1-基]乙酰基-κ3N2,N3:O}二水合二锌(II)],{[Zn2(C10H8N 3O2 )2(C8H4O 4)(H2O)] 2H2O} n是由2- [3-(吡啶-2-基)-1H-吡唑-1-基]乙腈(PPAN)与锌(II)溶剂热反应制得的)。在水热条件下,PPAN水解为2- [3-(吡啶-2-基)-1H-吡唑-1-基]乙酸酯(PPAA-)。结构确定表明,该配合物是一维双链,包含阳离子[Zn4(PPAA)4] 4+结构单元,可通过桥接邻苯二甲酸酯配体进一步延伸。一维链通过氢键和π-π堆积相互作用扩展为三维超分子结构。

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