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Figure 7
Two views of the Hirshfeld surface mapped over curvedness for the complex mol­ecule in (I)[link], highlighting flat regions enclosing symmetry-related imidazole and nitro­benzene rings involved in ππ stacking, labelled Cg1 and Cg3 for one pair of rings in (a), and Cg2 and Cg4 for the other pair in (b).

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