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Figure 5
(a)–(c) Possible orientations of quinoid fragments. Approximate dipole moments of the carbonyl groups are represented with arrows. (d) Distribution of angles between the mean planes of two carbonyl-bearing moieties.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 68| Part 6| October 2012| Pages 661-666
doi:10.1107/S0108768112036191
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