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![[Figure 2]](fg1710fig2mag.jpg)
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Figure 2
(a) A view almost normal to the molecular planes, showing how the cations and anions overlap to form π–π stacks along the a axis. Atoms marked with a dollar symbol ($) are at the equivalent position ( ![[{1 \over 2}]](teximages/fg1710fi1.gif) − x, 1 − y, z − ). (b) Part of the crystal structure of (I), showing the formation via strong hydrogen bonds (N—H⋯N and N—H⋯O) of ribbons of anions and cations along the c axis. The ribbons are connected by weak C—H⋯O and C—H⋯N hydrogen bonds. Atoms marked with an asterisk (*) or hash (#) are at the equivalent positions (x, y, z − 1) and (x, y + 1, z), respectively. |
![[Figure 2]](fg1710fig2.jpg)
 | STRUCTURAL CHEMISTRY |
ISSN: 2053-2296
