c70-Fullerene
- Formula: C70
- Molecular weight: 840.7490
- CAS Registry Number: 115383-22-7
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Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Gas basicity | 197.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8. ± 0.5 | EI | Worgotter, Dunser, et al., 1994 | LL |
7.4 | DTI | Beck, Weis, et al., 1994 | LL |
7.8 ± 0.5 | EI | SaiBaba, LakshmiNarasimham, et al., 1993 | LL |
7.35 | PE | Lichtenberger, Rempe, et al., 1992 | LL |
7.3 ± 0.2 | PI | Hertel, Steger, et al., 1992 | LL |
7.61 ± 0.11 | IMB | Zimmerman and Eyler, 1991 | LL |
7.6 ± 0.1 | IMB | McElvany and Bach, 1991 | LL |
7.47 ± 0.02 | PE | Lichtenberger, Rempe, et al., 1992 | Vertical value; LL |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C62+ | 64.6 ± 2.2 | ? | EI | Worgotter, Dunser, et al., 1994 | LL |
C64+ | 59.5 ± 1.9 | ? | EI | Worgotter, Dunser, et al., 1994 | LL |
C66+ | 54. ± 1.7 | ? | EI | Worgotter, Dunser, et al., 1994 | LL |
C68+ | 49.4 ± 1.4 | ? | EI | Worgotter, Dunser, et al., 1994 | LL |
References
Go To: Top, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Worgotter, Dunser, et al., 1994
Worgotter, R.; Dunser, B.; Scheier, P.; Mark, T.D.,
Appearance and ionization energies of C(60-2m)(z+) and C(70-2m)(z+) ions (with z and m up to 4) produced by electron impact ionization of C60 and C70, respectively,
J. Chem. Phys., 1994, 101, 8674. [all data]
Beck, Weis, et al., 1994
Beck, R.D.; Weis, P.; Brauchle, G.; Kappes, M.M.,
Mechanistic aspects of fullerene coalescence upon ultraviolet laser desorption from thin films,
J. Chem. Phys., 1994, 100, 262. [all data]
SaiBaba, LakshmiNarasimham, et al., 1993
SaiBaba, M.; LakshmiNarasimham, T.S.; Balasubramanian, R.; Mathews, C.K.,
Electron impact ionization of fullerences: Appearance energies of C70n+, n=1,2 and 3,
Rapid Commun. Mass Spectrom., 1993, 7, 1141. [all data]
Lichtenberger, Rempe, et al., 1992
Lichtenberger, D.L.; Rempe, M.E.; Gogosha, S.B.,
The He I valence photoelectron spectrum of C70 in the gas phase,
Chem. Phys. Lett., 1992, 198, 454. [all data]
Hertel, Steger, et al., 1992
Hertel, I.V.; Steger, H.; DeVries, J.; Weisser, B.; Menzel, C.; Kamke, B.; Kamke, W.,
Giant plasmon excitation in free C60 and C70 molecules studied by photoionization,
Phys. Rev. Lett., 1992, 68, 784. [all data]
Zimmerman and Eyler, 1991
Zimmerman, J.A.; Eyler, J.R.,
'Magic number' carbon clusters: Ionization potentials and selective reactivity,
J. Chem. Phys., 1991, 94, 3556. [all data]
McElvany and Bach, 1991
McElvany, S.W.; Bach, S.B.H.,
First and second ionization potentials and reactions of C60 and related clusters,
Proceedings of the 39th ASMS Conference on Mass Spectrometry and Allied Topics, 1991, 39, 422. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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