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Figure 9
A partial packing diagram of (III)[link], showing the ππ inter­actions (magenta dashed lines). The N—H⋯O hydrogen bonds in the hydrogen-bonded acid–base units are indicated by green dashed lines. Cg1, Cg2 and Cg3 are the centroids of the C1–C6, N2/C8–C11/C16 and C11–C16 rings, respectively. The ππ inter­actions including the centroid of the ten-membered quinoline ring system (Cg4) are omitted for clarity. [Symmetry codes: (i) −x + [{1\over 2}], y + [{1\over 2}], −z + [{1\over 2}]; (ii) x, y + 1, z; (iii) −x + [{3\over 2}], y + [{1\over 2}], −z + [{1\over 2}].]

ISSN: 2056-9890
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