The lesser known fullerene C70 was initially detected in the same observations as C60
buckyball by
Cami and co-workers in 2010 using the
Spitzer Space Telescope. C70 has
proven to be more elusive than C60, which was found in various other sources in additional
observations by Cami et al. while
C70 went undetected. C70 was detected toward the Magellanic clouds by
García-Hernández in 2011.
Both C60 and C70 had previous been detected in the
Allende meteorite by
Becker and co-workers. The detections of
fullerenes are based on vibrational features observed in the IR. Data is also available for the
C+ 70 and
C– 70 ions measured by
Kern and co-workers and for
protonated C70 measured by
Palotás and co-workers.
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