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![[Figure 2]](dn3139fig2mag.jpg)
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Figure 2
Fragment of the two-dimensional hydrogen-bonded layer found in the crystal structure of (1), showing the cyclophane-type hydrogen-bonding motifs (II and IV). Dashed lines indicate π–π interactions between the 4,4′-bpy molecules along the a axis. Displacement ellipsoids are drawn at the 30% probability level and H atoms not involved in hydrogen bonding have been omitted for clarity. [Symmetry codes: (ii) x, 1 + y, z; (iii) 1 + x, y, z; (v) 1 + x,1 + y, z.] |
![[Figure 2]](dn3139fig2.jpg)
 | STRUCTURAL CHEMISTRY |
ISSN: 2053-2296
