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Sonochemical syntheses and characterization of new nanorod crystals of mercury(II) metal organic polymer generated from polyimine ligands

机译:聚亚胺配体产生的新型汞(II)金属有机聚合物纳米棒晶体的声化学合成和表征

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摘要

Nanorod crystals of two new mercury(II) [Hg(II)] coordination polymers, [Hg(4-bpdh)Br_2]_n (1) and [Hg(3-bpdh)Br_2]_n (2) {4-bpdh 2,5-bis(4-pyridyI)-3,4-diaza-2,4-hexadiene and 3-bpdh - 2,5-bis(3-pyridyl)-3,4-diaza-2,4-hexadiene}, were prepared from the reaction of Hg(II) bromide with 4-bpdh and 3-bpdh by a sonochemical method. The nanorod crystals of 1 and 2 were characterized by scanning electron microscopy, X-ray powder diffraction, and IR spectroscopy. Compounds 1 and 2 were structurally characterized by single-crystal X-ray diffraction. The thermal stabilities of 1 and 2 were studied by thermal gravimetric and differential thermal analyses, which revealed that nanostructures of 1 and 2 are somewhat less stable than their bulk materials.
机译:两种新型汞(II)[Hg(II)]配位聚合物[Hg(4-bpdh)Br_2] _n(1)和[Hg(3-bpdh)Br_2] _n(2){4-bpdh 2 ,5-双(4-吡啶I)-3,4-二氮杂-2,4-己二烯和3-bpdh-2,5-双(3-吡啶基)-3,4-二氮杂2,4-己二烯},通过声化学方法由溴化汞(II)与4-bpdh和3-bpdh的反应制备。通过扫描电子显微镜,X射线粉末衍射和IR光谱表征1和2的纳米棒晶体。化合物1和2通过单晶X射线衍射进行结构表征。通过热重分析和差热分析研究了1和2的热稳定性,结果表明1和2的纳米结构比其本体材料的稳定性差一些。

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