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Figure 3 A perspective view of one chain of the title compound, showing (6) and (14) rings along [010] direction. Hydrogen bonds are represented by dashed lines. H atoms not involved in hydrogen bonding and –CH3 groups of 4-azaniumyl-2,2,6,6-tetramethylpiperidin-1-ium dication have been omitted for clarity. Symmetry codes: (iv) x − , −y + , z + ; (v) x − 1, y, z; (vi) −x + 1, −y + 2, −z. |