Peculiarities of self-organization of 1,6-dimethyl(diethyl)-3a,6a-diphenylglycolurils in crystals were studied. Glycolurils were synthesized and crystals of 16 solid forms (two pure substances and fourteen solvates) were obtained by crystallization from different solvents. The effect of solvent on the dimensionality of H-bonding architectures and crystal morphology was revealed. The most widespread
研究了晶体中 1,6-二甲基(
二乙基)-3a,6a-二苯基甘
脲的自组织特性。合成了甘
脲,并通过从不同溶剂中结晶获得了 16 种固体形式(两种纯物质和十四种溶剂化物)的晶体。揭示了溶剂对氢键结构维数和晶体形态的影响。最广泛的实验观察到的氢键合成子是基于酰胺-酰胺 R 2 2的链(8) 基序和溶剂分子通常充当这些链的末端基团。这与甘
脲和甘
脲/溶剂对之间的成对相互作用能计算结果一致。在某些情况下,这些 H 键链的平行堆积会导致晶体形态由疏
水性烷基和芳基部分构成,并为材料提供超疏
水表面。有人提出,由于烷基和芳基形成的表面波纹,大量
水被排斥。