Dichloridotetrakis(3-methoxyaniline)nickel(II)

IUCrData Pub Date : 2024-08-01 DOI:10.1107/S2414314624007764

Benjamin A. Mukda , Diane A. Dickie , Mark M. Turnbull

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Abstract

The complex sits in a general position. Each Ni^II ion has an N₄Cl₂ coordination sphere. Weak hydrogen bonding exists between three of the amino groups and the chloride ions of an adjacent molecule. Chains of molecules, linked by the hydrogen bonding and short Cl⋯Cl contacts, are well separated by the 3-methoxyaniline ligands.

The reaction of nickel(II) chloride with 3-methoxyaniline yielded dichloridotetrakis(3-methoxyaniline)nickel(II), [NiCl₂(C₇H₉NO)₄], as yellow crystals. The Ni^II ion is pseudo-octahedral with the chloride ions trans to each other. The four 3-methoxyaniline ligands differ primarily due to different conformations about the Ni—N bond, which also affect the hydrogen bonding. Intermolecular N—H⋯ Cl hydrogen bonds and short Cl⋯Cl contacts between molecules link them into chains parallel to the b axis.

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二氯四(3-甲氧基苯胺)镍(II)

复合物处于一般位置。每个 NiII 离子都有一个 N4Cl2 配位层。三个氨基与相邻分子的氯离子之间存在弱氢键。氯化镍(II)与 3-甲氧基苯胺反应生成的二氯四(3-甲氧基苯胺)镍(II)[NiCl2(C7H9NO)4]为黄色晶体。NiII 离子为假八面体，氯离子互为反式。四种 3-甲氧基苯胺配体的不同主要是由于 Ni-N 键的构象不同，这也影响了氢键。分子间的 N-H⋯ Cl 氢键和短的 Cl⋯Cl 接触将它们连接成平行于 b 轴的链：下载高清图片 (326KB)Download：下载全尺寸图像

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