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Figure 7
A view of Hirshfeld surface mapped over the electrostatic potential for (II)[link] showing the N—H⋯O hydrogen bond leading to ion-pairs (a) 1 and (b) 2. The hydrogen bonds are indicated with black dashed lines.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 72| Part 12| December 2016| Pages 1691-1699
https://doi.org/10.1107/S2056989016017266
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