view article
Figure 1
Logical fragments based on supramolecular synthons (color shaded) in forms II through to V. Notice the brown synthon which consists only of a weak C—H⋯N interaction. These fragments may be transferred from structure to structure to generate a `synthetic' charge density map.

IUCrJ
Volume 1| Part 1| January 2014| Pages 8-18
ISSN: 2052-2525
https://doi.org/10.1107/S2052252513024421