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首页> 外文期刊>Crystal growth & design >Conflicting Behavior of a Versatile Host Compound: X-ray Crystal Structures Arising from Solvent-free and Solvent-Containing Crystal Formation
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Conflicting Behavior of a Versatile Host Compound: X-ray Crystal Structures Arising from Solvent-free and Solvent-Containing Crystal Formation

机译：通用主体化合物的冲突行为：由无溶剂和含溶剂的晶体形成引起的X射线晶体结构

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摘要

The X-ray crystallographic structures of four new inclusion compounds of the versatile clathrate host 2,2'-bis(9-hydroxy-9-fluorenyl)biphenyl (1) as well as the crystal structure of the unsolvated host are reported and comparatively discussed with regard to the molecular conformation and the modes of interactions the molecules make use of in the crystal packing. While the inclusion crystals demonstrate full saturation of the hydrogen bond capacity of the host molecule, 1 is only involved in weak intermolecular pi-contacts in the solvent-free structure. We draw the conclusion that the well-tried strategy of coordinatoclathration, underlying the present inclusion compounds, should not be regarded as a strict rule with reference to the formation of inclusion crystals but it helpful framework in the search of new efficient clathrate hosts.
机译：报告和比较讨论了通用包合物主体2,2'-双（9-羟基-9-芴基）联苯（1）的四个新包合物的X射线晶体学结构以及未溶剂化主体的晶体结构关于分子构象和相互作用方式，分子在晶体堆积中利用。尽管包合物晶体显示出主体分子氢键能力的完全饱和，但1仅涉及无溶剂结构中的弱分子间π接触。我们得出的结论是，对于本发明的包合物而言，经过良好考验的配合物包合策略不应被视为关于包合物晶体形成的严格规则，而是在寻找新的有效包合物宿主方面的有益框架。

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