首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >A new tetraazamacrocycle functionalized with four pendant pyridyl groups: synthesis and crystal structure of the nickel(II) complex of 1,4,7,10-tetrakis(2-pyridylmethyl)-1,4,4,10-tetraazacyclododecane(L), [NiL](2+)
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A new tetraazamacrocycle functionalized with four pendant pyridyl groups: synthesis and crystal structure of the nickel(II) complex of 1,4,7,10-tetrakis(2-pyridylmethyl)-1,4,4,10-tetraazacyclododecane(L), [NiL](2+)

机译:一种新的具有四个吡啶基侧基的四氮杂大环环化合物:1,4,7,10-四(2-吡啶基甲基)-1,4,4,10-四氮杂环十二烷(L)的镍(II)配合物的合成和晶体结构, [NiL](2+)

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摘要

The title complex, [NiL](ClO4)(2) was synthesized by the reaction of nickel(II) perchlorate and the new macrocycle ligand, 1,4,7,10-tetrakis(2-pyridylmethyl)-1,4,7,10-tetraazacyclododecane (L) in ethanol solution. The crystal and molecular structure of this complex has been determined by single-crystal X-ray diffraction. The complex consists of [NiL](2+) cation and two perchlorate anions. Within the [NiL](2+) cation, the potential octadentate ligand is using its 4 nitrogen atoms of the macrocycle and 2 pyridine nitrogens to coordinate with the central nickel(II), while the other two pyridine nitrogens remained uncoordinated. The central nickel(II) ion is in a distorted-octahedral coordination environment and in high-spin state. (C) 1997 Elsevier Science Ltd. [References: 11]
机译:通过高氯酸镍(II)与新的大环配体1,4,7,10-四(2-吡啶基甲基)-1,4,7的反应合成标题化合物[NiL](ClO4)(2)乙醇溶液中的10,4-四氮杂环十二烷(L)。该配合物的晶体和分子结构已经通过单晶X射线衍射确定。该络合物由[NiL](2+)阳离子和两个高氯酸根阴离子组成。在[NiL](2+)阳离子中,潜在的八齿配体正在利用其大环的4个氮原子和2个吡啶氮与中心镍(II)配位,而其他两个吡啶氮则保持不配位。中心镍(II)离子处于扭曲的八面体配位环境且处于高自旋状态。 (C)1997 Elsevier Science Ltd. [参考:11]

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