Do small fullerenes exist only on the computer? Experimental results on C=/−20 and C+/−24
✍ Scribed by G. von Helden; M.T. Hsu; N.G. Gotts; P.R. Kemper; M.T. Bowers
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 583 KB
- Volume
- 204
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
✦ Synopsis
Experimental results on the structure of carbon cluster anions and cations with 20 and 24 atoms are presented. Recent quantum chemical calculations predict either cage or graphitic structures to be lowest in energy for CzO and C2+ However experimentally we find C,', and CT, are dominated by monocyclic ring structures, with CrO exhibiting minor amounts of planar bicyclic structures and a linear structure. For CL and C, both monocyclic rings and planar bicyclic rings are observed. No fullerene or "graphitic" structures are observed for these clusters. A number of possible bicyclic structures for Cz4 are discussed.