Also known as 1,2,3,4,5,6,7,8-octafluorocubane, perfluorocubane
Octafluorocubane or perfluorocubane is an organofluorine compound with the formula , consisting of eight carbon atoms joined into a cube, with a fluorine bonded to each carbon corner. It is a colorless, sublimable solid at room temperature. It has been of longstanding theoretical interest, but was not synthesised until 2022, when it was prepared in several steps from the ester of carboxycubane, beginning with its heptafluorination. According to X-ray crystallography, the C–C distances (1.570 Å) in octafluorocubane are consistent in length with those in the parent cubane (1.572 Å).
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