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Figure 9
The principal pathways of the inter­molecular inter­actions for II representing ππ and weak hydrogen bonding, with a cut-off limit for calculated energies of 12.0 kJ mol−1. [Symmetry codes: (i) x + 1, −y + 1, −z; (iii) x + 2, −y + 1, −z + 1; (v) x + 1, −y + 1, −z + 1; (vi) x + 1, y, z; (vii) x, y, z − 1; (viii) x, −y + [{1\over 2}], z − [{1\over 2}].]

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