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Isostructurality among Five Solvates of Phenylbutazone

机译:苯基丁a的五种溶剂化物的同构性

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This work describes the crystal structures of phenylbutazone 2:1 solvates with benzene,cyclohexane,1,4-dioxane,tetrahydrofuran,tetrachloromethane,and chloroform.These solvates are isostructural,with the exception of the chloroform solvate.The solvent molecules are located in channels from which they can escape.Solvent incorporation causes an increase in volume of the unit cell to an extent that depends on the volume of the solvent molecule and the strength of the phenylbutazone-solvent interactions.The van der Waals interactions contribute most to the lattice energy in all these solvates.The volume available to the solvent correlates with the increase of the unit cell parameters.The quality of the crystallographic data of the chloroform solvate is poor as a result of twinning.Crystallographic differences of the chloroform solvate may result from hydrogen bonding between the chloroform molecules and the carbonyl oxygens of the phenylbutazone molecules.
机译:这项工作描述了苯丁a 2:1与苯,环己烷,1,4-二恶烷,四氢呋喃,四氯甲烷和氯仿的溶剂化物的晶体结构。这些溶剂化物是同构的,除了氯仿溶剂化物。溶剂分子位于通道中溶剂的掺入导致晶胞体积的增加,其程度取决于溶剂分子的体积和苯基丁a-溶剂相互作用的强度。范德华相互作用对晶格能的贡献最大在所有这些溶剂化物中,溶剂可用的体积与晶胞参数的增加有关。由于孪晶的结果,氯仿溶剂化物的晶体学数据质量较差。氯仿溶剂化物的结晶学差异可能是由于氢键作用引起的氯仿分子和苯基丁a分子的羰基氧之间的关系。

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