Generation of chirality by the aggregation of column structures for two-component molecular crystals composed of chloronitrobenzoic acids and p-anisidine.

Enantiomer Pub Date : 2002-11-01 DOI:10.1080/10242430215703
Teruki Sugiyama, Jiben Meng, Teruo Matsuura
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引用次数: 6

Abstract

Four two-component molecular crystals 1.2, 1.3, 1.4 and 1.5 composed of chloronitrobenzoic acids and p-anisidine as components have been prepared. Among these molecular crystals, 1.2 and 1.3 showed the generation of chirality (space group P2(1)) by aggregation of mutually parallel column structures with their 2(1) axes pointing in the same direction, and the others showed no chirality. This paper shows that the generation of chirality in a molecular crystal can be explained on the basis of the aggregation of column structures and that weaker intermolecular interactions affect the generation of chiral molecular crystal.

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氯硝基苯甲酸和对茴香胺组成的双组分分子晶体的柱状结构聚集产生手性。
制备了以氯硝基苯甲酸和对茴香胺为组分的四种双组分分子晶体1.2、1.3、1.4和1.5。在这些分子晶体中,1.2和1.3通过2(1)轴指向相同方向的相互平行的柱状结构聚集产生手性(空间群P2(1)),而其他分子晶体则没有手性。本文表明,分子晶体中手性的产生可以用柱结构的聚集来解释,分子间较弱的相互作用影响手性分子晶体的产生。
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