A Dimer of Hydrogen Cyanide Stabilized by a Lewis Acid,Angewandte Chemie International Edition

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A Dimer of Hydrogen Cyanide Stabilized by a Lewis Acid
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2018-06-19 , DOI: 10.1002/anie.201804193
Kevin Bläsing ₁ , Jonas Bresien ₁ , René Labbow ₁ , Axel Schulz _{1,

2} , Alexander Villinger ₁

Affiliation

A highly labile dimer of hydrogen cyanide, HCN⋅⋅⋅HCN, was extracted from liquid HCN by adduct formation with the bulky Lewis acid B(C₆F₅)₃, affording HCN⋅⋅⋅HCN−B(C₆F₅)₃, which was fully characterized. The influence of the solvent (HCN, CH₂Cl₂, and aromatic hydrocarbons) on the crystallization process was studied, revealing dimer formation when using HCN or CH₂Cl₂ as solvent, whereas aromatic hydrocarbons led to the formation of monomeric arene⋅⋅HCN−B(C₆F₅)₃ adducts, additionally stabilized by η⁶‐coordination of the aromatic ring system similar to well‐known half‐sandwich complexes.

中文翻译：

路易斯酸稳定的氰化氢二聚体

通过与笨重的路易斯酸B（C ₆ F ₅）₃形成加合物，从液态HCN中提取出高度不稳定的氰化氢HCN····HCN二聚体，得到HCN···HCN -B（C ₆ F ₅）₃，这是充分表征。研究了溶剂（HCN，CH ₂ Cl ₂和芳香烃）对结晶过程的影响，揭示了使用HCN或CH ₂ Cl ₂作为溶剂时二聚体的形成，而芳香烃导致单体芳烃的形成。 HCN-B（C ₆ F ₅）₃加合物，另外由η稳定芳香环系统的⁶配位类似于众所周知的半三明治复合物。

更新日期：2018-06-19

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