Abstract
A semi-preparative scale high-pressure liquid chromatographic method for the separation of the fullerene extract components has been developed. During the course of these separations, a new fullerene species was isolated and characterized by mass spectrometry, 13C NMR, and infrared and UV-Vis absorption spectroscopy. Mass spectrometry identifies this component as the mono-oxygen adduct of C 60 (C 60O) and 13C NMR strongly supports the epoxide structure rather than the isomeric oxido-annulene structure. In addition, the effects of different solvents on the optical absorption spectra of purified C 60 and C 70 and crystalline properties of C 60 fullerite powder are reported.
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