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首页> 外文期刊>Координационная химия >SYNTHESIS, CHARACTERIZATION, AND X-RAY CRYSTAL STRUCTURES OF COPPER(II) AND NICKEL(II) COMPLEXES WITH SCHIFF BASES
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SYNTHESIS, CHARACTERIZATION, AND X-RAY CRYSTAL STRUCTURES OF COPPER(II) AND NICKEL(II) COMPLEXES WITH SCHIFF BASES

机译:席夫碱的铜(II)和镍(II)配合物的合成,表征和X射线晶体结构

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摘要

New copper(II) complexes, [Cu_2L~1L~2] · ClO_4 (I) and [Ni(L~3)_2] (II), where L~1 is the mono-anionic form of 2-[1-(2-emthylaminoethylimino)ethyl]phenol, L~2 is the dianionic form of N,N'-ethylene-bis(2-hydroxyacetophenonylideneimine), L~3 is the mono-anionic form of 2-(1-iminoethyl)phenol, were prepared and characterized using elemental analysis, FT-IR spectroscopy, and X-ray single-crystal diffraction. In complex I, the Cu(1) atom is coordinated by the NNO tridentate ligand L~1 and the two phenolate O atoms of L~2, forming a square pyramidal geometry. The Cu(2) atom in complex I is coordinated by the NNOO tetradenate ligand L~2, forming a square planar geometry. The Ni atom in complex II is coordinated by two phenolate O and two imine N atoms from two ligands L~3, forming a square planar geometry. In the crystal structure of I, the perchlorate anions are linked to the dinuclear copper(II) complex cations through intermolecular N—H···O hydrogen bonds. In the crystal structure of II, the mononuclear nickel complex molecules are linked through intermolecular N—H···O hydrogen bonds, forming a trimer.
机译:新的铜(II)配合物,[Cu_2L〜1L〜2]·ClO_4(I)和[Ni(L〜3)_2](II),其中L〜1是2- [1-( 2-乙基氨基乙基亚氨基)乙基]酚,L〜2是N,N'-亚乙基-双(2-羟基乙酰苯甲叉亚胺)的二价阴离子形式,L〜3是2-(1-亚氨基乙基)苯酚的单阴离子形式。使用元素分析,FT-IR光谱和X射线单晶衍射制备和表征。在配合物I中,Cu(1)原子由NNO三齿配体L〜1和L〜2的两个酚O原子配位,形成方形锥体。配合物I中的Cu(2)原子由NNOO四齿配体L〜2配位,形成方形平面几何形状。配合物II中的Ni原子由两个配体L〜3的两个酚盐O和两个亚胺N原子配位,形成方形平面几何形状。在I的晶体结构中,高氯酸根阴离子通过分子间的NH···O氢键与双核铜(II)络合物阳离子连接。在II的晶体结构中,单核镍络合物分子通过分子间的NH···O氢键连接,形成三聚体。

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