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Figure 2
(a) Solid-state 13C NMR spectra of two OZPN form II/III mixtures (lots A and B). The regions showing different relative peak intensities, the clearest indication of a phase mixture, are highlighted. (b) Crystal structure views of form II (CSD refcode: AQOMAU03) and the closest CSP match to form III (structure A162). Outward facing thio­phene S atoms (yellow) are highlighted to emphasize the stacking difference between the experimental form II and computed form III crystal structures.

Volume 7| Part 6| November 2020| Pages 955-964
ISSN: 2052-2525