Flattened poles and an expanded equator reminiscent of a spinning planet characterize the cage structure of D5d C60F20 (“saturnene”, see picture) which is based on two dehydrocorannulene moieties bound together by a (CF)20 chain. C60F20 was isolated from the reaction of C60 with K2PtF6 in a vacuum at 470°C. The 19F NMR spectrum shows a single line at δ=−132.8. The unique structure of C60F20 suggests use as a synthon for derivatives having donor–acceptor properties.
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Boltalina et al. (2001) studied this question.
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