Three Isolated-Pentagon-Rule Isomers of C96 Fullerene Isolated as Trifluoromethyl Derivativesстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 12 мая 2021 г.
Аннотация:The family of experimentally confirmed Isolated-Pentagon Rule (IPR) isomers of C96 fullerene is extended by trifluoromethylation of a C96 fraction of the fullerene soot, HPLC separation of CF3 derivatives, and single crystal X-ray diffraction study of C96(CF3)n compounds with the use of synchrotron radiation. New cage isomers were revealed in C96(94)(CF3)18/20 and C96(182)(CF3)18 compounds, whereas isomer C96(181) previously known in the adduct with nickel porfirinate was confirmed in C96(181)(CF3)18/20 derivatives. Common and special features of the addition patterns of CF3 groups on C96 carbon cages are discussed in more detail. The investigated isomers belong to the most stable, C2-C96(181), and slightly less stable, C1-C96(94) and C2-C96(182), among the altogether 15 experimentally confirmed IPR isomers of C96 fullerene.