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Figure 3
Pairs of contiguous quinoid rings in face-to-face stacks. (a) Hydrogen bromanilate monoanions (Molčanov & Kojić-Prodić, 2012BB57) in a staggered arrangement. (b) Hydrogen chloranilate monoanions (Molčanov et al., 2009bBB62) in a partially staggered arrangement. (c) DHQ2− dianions in an eclipsed arrangement (Molčanov et al., 2013bBB59). Figure adapted from Molčanov et al. (2013bBB59).

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