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Figure 3
(a) The dnorm Hirshfeld surface of cation c1 showing N—H⋯N and N—H⋯Cl hydrogen bond contacts as green dashed lines. (b) The Hirshfeld surface two-dimensional fingerprint plot for c1 with inter­molecular contacts involving nitro­gen atoms highlighted in blue. (c) The dnorm Hirshfeld surface of cation c2 showing N—H⋯N and N—H⋯Cl hydrogen-bond contacts as green dashed lines. (d) The Hirshfeld surface two-dimensional fingerprint plots for c2 with inter­molecular contacts involving nitro­gen atoms highlighted in blue.

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