Crystal structures of 2,3,8,9,14,15-hexa­methyl-5,6,11,12,17,18-hexa­aza­tri­naphthyl­ene and 2,3,8,9,14,15-hexa­phenyl-5,6,11,12,17,18-hexa­za­tri­naphthyl­ene di­chloro­methane disolvate

The crystal structures of two substituted HATN (hexa­aza­tri­naphthyl­ene) derivatives, namely 2,3,8,9,14,15-hexa­methyl- and 2,3,8,9,14,15-hexa­phenyl-5,6,11,12,17,18- hexa­zatri­naphthyl­ene (HATNMe(6) and HATNPh(6)), are reported. Whereas the structure of the methyl-substituted derivative (HATNMe(6)) contains no solvent mol­ecules (C(30)H(24)N(6)), the hexa­phenyl-substituted structure (HATNPh(6)) contains two mol­ecules of di­chloro­methane (C(60)H(36)N(6)·2CH(2)Cl(2)). This class of planar bridging ligands is known for its electron-deficient systems and its ability to form π–π stacking inter­actions. Indeed, in both crystal structures strong π–π stacking inter­actions are observed, but with different packing features. The di­chloro­methane mol­ecules in the crystal structure of HATNPh(6) are situated in the voids and are involved in C—H⋯N contacts to the nitro­gen atoms of the pyrazine units.