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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis, Crystal Structure, and Properties of the First Organomercury Dimer Derived from PMP
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Synthesis, Crystal Structure, and Properties of the First Organomercury Dimer Derived from PMP

机译:源自PMP的第一个有机汞二聚体的合成,晶体结构和性质

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The organomercury dimer [Hg_2(PMP)Cl_2]_2·DMF (1) (PMP = 1-phenyl-3-methyl-2-pyrazolin-5-one) was prepared by the reaction of mercury chloride with PMP and characterized by elemental analysis, IR spectroscopy, TG, and single-crystal X-ray diffraction analysis. The title compound crystallizes in the triclinic space group P1-bar, with a = 7.4298(6), b = 9.0313(8), c = 12.4145(13) ?, V = 760.50(12) ?~3, Z = 1. Each mercury(II) atom is tricoordinated to one chlorine atom, one carbon atom of the pyrazole ring from one PMP, and one oxygen atom from another PMP. The coordination arrangement around the mercury atom is T-shaped. This is the first structural report on an organomercury derivative of PMP. The distance between the two Hg~(II) ions is 3.2735(8) ?, which indicates the presence of weak Hg···Hg interactions. Meanwhile, 1 can be connected by intermolecular C-H···Cl hydrogen bonding and weak Hg···O/Cl/N interactions to form a three dimensional network. The thermal stability and antibacterial activity of 1 were studied. The binding of 1 with calf thymus DNA was investigated by absorption spectroscopy and viscometry.
机译:通过氯化汞与PMP反应制备有机汞二聚体[Hg_2(PMP)Cl_2] _2·DMF(1)(PMP = 1-苯基-3-甲基-2-吡唑啉-5-酮),并通过元素分析进行​​表征,红外光谱,TG和单晶X射线衍射分析。标题化合物在三斜晶空间群P1-bar中结晶,a = 7.4298(6),b = 9.0313(8),c = 12.4145(13)α,V = 760.50(12)α〜3,Z = 1。每个汞(II)原子与一个氯原子,一个PMP的吡唑环的一个碳原子和另一个PMP的一个氧原子三配位。汞原子周围的配位结构为T形。这是有关PMP有机汞衍生物的第一份结构报告。两个Hg〜(II)离子之间的距离为3.2735(8),表明存在弱的Hg···Hg相互作用。同时,可以通过分子间的C-H···Cl氢键和弱的Hg···O / Cl / N相互作用连接1以形成三维网络。研究了1的热稳定性和抗菌活性。通过吸收光谱法和粘度测定法研究1与小牛胸腺DNA的结合。

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