Engineering of a polar crystal structure exclusively by π–π stacking between aryl and polyfluoroaryl groups†
Abstract
1-(4-Nitrilo-2,3,5,6-tetrafluorophenyl)benzimidazole crystallizes in the polar space group Cc. The structure arises from the geometry of the molecule which gives columns of π–π stacked nitrilotetrafluorophenyl and benzimidazole groups in two almost orthogonal directions.