The structure of tri(cyclohexyl)tin chloride between 108 and 298 K: a compound in which molecular dimensions vary with temperature.
作者： Ashrafomolouk Asadi , Colin Eaborn , Peter B. Hitchcock , Margaret M. Meehan , J. David Smith
DOI: 10.1021/IC026272F
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摘要: Care is necessary when relating physical data obtained at one temperature on compounds showing significant intermolecular interactions to X-ray other temperatures. This revealed by the determination of structure tri(cyclohexyl)tin chloride nine different temperatures between 108 and 298 K. In crystal, molecules pack in chains parallel c axis with Sn Cl atoms close plane, y = 0.25. At low temperature, successive chain are related glide plane space group P21/c, there interaction. As raised, Cy3SnCl···Sn weaken intramolecular Sn−Cl bonds strengthen. about 248 K, an order−disorder transition P21/m halved, room best described as comprising discrete molecules, previously reported. Thus, some molecular dimensions, particular bond lengths, no...
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