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Figure 1
(a) The ambient temperature/pressure, `folded' conformation of bianthrone (Harnik & Schmidt, 1954BB25). (b) The proposed twisted form (Harnik, 1956BB24; Korenstein et al., 1973BB28). (c) Molecular structure of bianthrone derived from the crystal structure at ambient pressure. Ellipsoids enclose 30% probability surfaces. Primed atoms are related to unprimed atoms by the operation (2-x, 1-y, 1-z).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 67| Part 3| April 2011| Pages 226-237
doi:10.1107/S0108768111009657
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