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Figure 11
The stacking in [Cu(CA)(2,2′-bpy)] (Molčanov et al., 2013aBB55). (a) Pairs of contiguous molecules with highlighted close contacts between metal-chelate rings. (b) The electrostatic potential plotted onto a Hirshfeld surface. It is apparent that there is close contact between the electron-rich (red) and electron-poor (blue) regions.

IUCrJ
Volume 6| Part 2| March 2019| Pages 156-166
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519000186