The stability of singly and multiply charged La@C80 and La@C82 ions determined from kinetic energy release measurements

Autor: S. Feil, Paul Scheier, Olof Echt, K. Gluch, Tilmann D. Märk, S. Matt-Leubner, Chava Lifshitz, Baopeng Cao, Takatsugu Wakahara, Takeshi Akasaka
Rok vydání: 2006
Předmět:
Zdroj: ResearcherID
ISSN: 1387-3806
DOI: 10.1016/j.ijms.2005.11.022
Popis: We have measured the kinetic energy release distributions for unimolecular C 2 loss from singly and multiply charged endohedral La@C 80 z + and La@C 80 z + ions for charge states z = 1–3. Using finite heat bath theory, we deduce the dissociation energies for loss of C 2 . The charge state z has no statistically significant effect on the dissociation energies. The dissociation energies of endohedral fullerene ions are larger than those of the corresponding empty fullerene ions by a few tenths of an electron volt, but the differences are barely statistically significant. The small differences also imply that the complexation energies of La@C n z + and La@C n − 2 z + are identical within the experimental errors, for n = 80 and 82 and all charge states.
Databáze: OpenAIRE