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Figure 5
RDG isosurfaces (0.4 a.u.) between adjacent molecules (dimer 1) related to hydrogen bonds in Bic. The x, −y + 1/2, z + 1/2 symmetry operation is used to generate the adjacent molecule. The colour scale represents the value of sign(λ2)ρ.

IUCrJ
Volume 7| Part 1| January 2020| Pages 71-82
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519014416