SEARCH Articles Figures Tables A representation of the proposed stacking of the aromatic cores in HBC—C12, based on the structure of unsubstituted HBC, which is known, from a X-ray singlecrystal study,164 to crystallize in the so-called herringbone pattern. Three HBC—Ci2 molecules are shown the molecules above and below the central HBC—C12 molecule are indicated by dashed and dotted lines, respectively. [Publishers Imprint]