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Figure 4
RDG-based NCI isosurfaces obtained from the experimental ED model at 100 K for (a) Cπ⋯Cπ stacking interactions, (b) C4⋯H5 interaction and (c) homopolar H8—H8 bond. NCI isosurfaces corresponding to RDG = 0.6 a.u. The surfaces are colored on a red–green–blue–purple scale [−0.020 < sign(λ2)ρ < 0.020 a.u.]. Red, green and blue/purple indicate stabilizing, intermediate and destabilizing overlap regions, respectively. Symmetry operations are listed in Table 1[link].

IUCrJ
Volume 2| Part 5| September 2015| Pages 563-574
ISSN: 2052-2525
https://doi.org/10.1107/S2052252515012130