μ-Chlorido-bis{[1-benzyl-3-(2,4,6-trimethylphenyl)imidazol-2-ylidene-κC]silver(I)} chloride 1,2-dichloroethane hemisolvate

IUCrData Pub Date : 2024-09-01 DOI:10.1107/S2414314624008617

Kotiba Malek , Kuppuswamy Arumugam

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Abstract

The solid-state structural analysis of the title compound reveals that the two molecules of bis(1-benzyl-3-mesitylimidazol-2-ylidene)silver are connected via a bridging chloride atom. The structure also reveals non-classical intermolecular hydrogen-bonding interactions involving the chloride counter-anion.

The title compound, [Ag₂(C₁₉H₂₀N₂)₄]Cl·0.5C₂H₄Cl₂, can be readily generated by treatment of (1-benzyl-3-(2,4,6-trimethylphenyl)imidazolium chloride with sodium bis(trimethylsilyl)amide followed by silver chloride. The molecular structure of the compound was confirmed using NMR spectroscopy and single-crystal X-ray diffraction analysis. The crystal structure of the title compound at 110 K has monoclinic (P2₁/c) symmetry. The represented silver compound is of interest with respect to antibacterial properties and the structure displays a series of weak intermolecular hydrogen-bonding interactions with the chloride counter-anion.

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μ-Chlorido-bis-{[1-benzyl-3-(2,4,6-tri-methyl-phen-yl)imidazol-2-yl-idene-κC]silver(I)} chloride 1,2-di-chloro-ethane hemisolvate.

1- 苄基-3-(2,4,6-三甲基酚基)咪唑氯化物与双(三甲基硅基)酰胺钠处理后，再加入氯化银，就很容易生成标题化合物 [Ag2(C19H20N2)4]Cl-0.5C2H4Cl2。利用核磁共振光谱和单晶 X 射线衍射分析证实了该化合物的分子结构。标题化合物在 110 K 时的晶体结构具有单斜（P21/c）对称性。所代表的银化合物具有极佳的抗菌性能，其结构显示出一系列与氯反离子之间的弱分子间氢键相互作用。

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