view article
Figure 2
(a) The one-dimensional chain of Form I of Compound-A propagating through the N—H⋯N (pyridine) synthon. (b) Type II halogen bonding. (c) Packing of molecules along the a and c axes (Form I).

IUCrJ
Volume 4| Part 6| November 2017| Pages 812-823
ISSN: 2052-2525
https://doi.org/10.1107/S2052252517014658