二氯马来酸氢钾——一个意想不到的分子间氢键的例子

Advances in Molecular Relaxation Processes Pub Date : 1976-03-01 DOI:10.1016/0001-8716(76)80009-0

L. Golič, S. Detoni, D. Hadži, B. Orel

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引用次数: 4

摘要

固体KHC12C4O4的红外光谱具有羧酸分子间键合酸盐的特征。x射线结构分析显示，在空间群P1(1)中，两个晶体结构不同，具有相同O…O距离(2.449(2)$ $)的强氢键将二氯膦酸盐单元连接成平行于(1 1 1)方向的一维阵列。KHC12C4O4和(C4H9)4NHCl2C4O4溶液的红外光谱表明分子内存在氢键。

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Potassium hydrogen dichloromaleate-an unexpected case of intermolecular hydrogen bonding

The infrared spectrum of solid KHC1₂C₄O₄ has the characteristic features of intermolecularly bonded acid salts of carboxylic acids. The X-ray structure analysis of the crystals belonging to the space group P1̄, revealed two crystallographically different, strong hydrogen bonds of the same O … O distance 2.449(2) $$ ̊$ linking the dichloromaleate units into one-dimensional arrays parallel to the (1 1 1̄) direction. The infrared spectra of the solution of KHC1₂C₄O₄ and of (C₄H₉)₄NHCl₂C₄O₄ indicate intramolecular hydrogen bonding.

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Advances in Molecular Relaxation Processes

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