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首页> 外文期刊>Journal of chemical crystallography >Complexation of Michler's Ketone by trimeric perfluoro-ortho- phenylenemercury: Synthesis, structure and spectroscopic properties of a new supramolecular adduct
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Complexation of Michler's Ketone by trimeric perfluoro-ortho- phenylenemercury: Synthesis, structure and spectroscopic properties of a new supramolecular adduct

机译：三聚全氟邻苯撑汞使Michler酮络合：新型超分子加合物的合成，结构和光谱性质

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摘要

Trimeric perfluoro-ortho-phenylenemercury (o-(C_6F_4Hg)_3) has been identified as one of the simplest Lewis acidic host molecules due to its proximity of Hg(II) atoms, electron-withdrawing properties and inherent accessibility to electrophilic sites on the molecule's surface. Owing to these concerted effects, the molecule is capable of forming supramolecular complexes with a variety of neutral and anionic substrates, among them organic carbonyls such as aldehydes and ketones. In this communication, we highlight the structural and spectroscopic properties of the complex formed between (o-C_6F_4Hg)_3 and Michler's Ketone (4,4-Bis(dimethylamino)benzophenone or MK). The complex crystallizes in the triclinic space group P1? P 1 ? with a = 11.690(2) ?, b = 12.011(2) ?, c = 13.617(5) ?, α = 101.30(2), β = 98.44(2), and γ = 107.15(2) and contains non-covalent Hg-Hg, Hg-C and Hg-O interactions. IR spectroscopy measurements were also completed and reveal a moderate shifting of the carbonyl stretching frequency between [(o-C_6F_4Hg)_3·μ_3-MK] and free Michler's Ketone, due presumably to the Hg-O interactions.
机译：三聚全氟邻苯撑汞（o-（C_6F_4Hg）_3）因其与Hg（II）原子的亲近性，吸电子性和固有的易接近性而被确定为最简单的路易斯酸性主体分子之一表面。由于这些协同作用，该分子能够与多种中性和阴离子底物形成超分子络合物，其中包括有机羰基，例如醛和酮。在本文中，我们重点介绍了（o-C_6F_4Hg）_3与Michler's酮（4,4-双（二甲基氨基）二苯甲酮或MK）之间形成的配合物的结构和光谱性质。该复合物在三斜空间群P1？ P 1？其中a = 11.690（2）？，b = 12.011（2）？，c = 13.617（5）？，α= 101.30（2），β= 98.44（2）和γ= 107.15（2）并且包含非共价Hg-Hg，Hg-C和Hg-O相互作用。红外光谱测量也完成了，发现羰基拉伸频率在[（o-C_6F_4Hg）_3·μ_3-MK]和游离的Michler's Ketone之间有适度的偏移，这可能是由于Hg-O的相互作用。

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