Free elecrron artachment to C, and C70 has been studied as a function of electron energy between about 0 and 14 eV. The attachment process yields copious amounts of C, and C, (with an estimated attachment cross section approaching lo-'\* cm'), but neither fragment nor doubly charged anions are obser
Rydberg electron transfer to C60and C70
β Scribed by J. M. Weber; M.-W. Ruf; H. Hotop
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 428 KB
- Volume
- 37
- Category
- Article
- ISSN
- 1434-6060
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The electronic and vibrational structures of C,, and C,,, have been calculated at the PM3 semiempirical level. C, has a partially delocalized structure, while C,, has both a localized set and a delocalized set of MOs. As with AM1 and MNDO, PM3 predicts the heat of formation of C,, to be greater than
Resonant electron capture by C 60 and C 70 was studied and it was established that long-lived (i.e. mass spectrometrically observable) parent negative ions are formed within an extremely broad energy region (0-14 eV). It has been shown that effective yield curves of C 60 -and C 70 -in the thermal en