view article
Figure 16
One-dimensional chains in the crystal structure of 4-bromobenzoic acid 4-cyanopyridine (A1 = best acceptor, A2 = second-best acceptor, H = hydrogen-bond donor, X = halogen-bond donor).

IUCrJ
Volume 2| Part 5| September 2015| Pages 498-510
ISSN: 2052-2525
https://doi.org/10.1107/S2052252515010854