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Figure 8
Electrostatic potentials (e Å−1) of (top) protonated nucleobase cations, (middle) chloride anions and (bottom) entire crystals from experimental charge densities in the plane of the nucleobase. Contour lines are drawn every 0.025 e Å−1. Blue denotes positive values, red negative and green zero.

IUCrJ
Volume 5| Part 4| July 2018| Pages 449-469
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518006346