view article
Figure 4
The reverse charge transfer and complete cancellation of mol­ecule⋯mol­ecule ionicity in a carb­oxy­lic acid dimer (SALIAC12) related by inversion symmetry. The values of charge (electron) transfer along the (O—H⋯O) hydrogen bonds are given, with their directions. Grey atoms are C, red O and white H.

IUCrJ
Volume 5| Part 5| September 2018| Pages 635-646
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518010758