c70-Fullerene
- Formula: C70
- Molecular weight: 840.7490
- CAS Registry Number: 115383-22-7
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Condensed phase thermochemistry data
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | 2439. ± 37. | kJ/mol | Ccb | Pimenova, Kolesov, et al., 1997 | |
ΔfH°solid | -2439. ± 37. | kJ/mol | Ccb | Pimenova, Kolesov, et al., 1997 | |
ΔfH°solid | 2555. ± 12. | kJ/mol | Ccb | Beckhaus, Verevkin, et al., 1994 | crystal phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -29985. ± 37. | kJ/mol | Ccb | Pimenova, Kolesov, et al., 1997 | Corresponding ΔfHºsolid = 2439. kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°solid | -29985. ± 32. | kJ/mol | Ccb | Pimenova, Kolesov, et al., 1997 | Corresponding ΔfHºsolid = 2439. kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°solid | -30101. ± 10. | kJ/mol | Ccb | Beckhaus, Verevkin, et al., 1994 | crystal phase; Corresponding ΔfHºsolid = 2555. kJ/mol (simple calculation by NIST; no Washburn corrections) |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, References, Notes
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 | 827.5 | kJ/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, Condensed phase thermochemistry data, 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.
Pimenova, Kolesov, et al., 1997
Pimenova, S.M.; Kolesov, V.P.; Volkov, Yu.A.; Davydov, V.Ya.; Tamm, N.B.; Mel'khanova, S.V.,
On the enthalpy of formation of fullerene C70,
Russ. J. Phys. Chem. (Engl. Transl.), 1997, 71, 1744-1747, In original 1937. [all data]
Beckhaus, Verevkin, et al., 1994
Beckhaus, H.-D.; Verevkin, S.; Ruchardt, C.; Diederich, F.; Thilgen, C.; Meer, H.-U.; Mohn, H.; Muller, W.,
C70 is more stable than C60: experimental determination of the heat of formation of C70,
Angew. Chem. Int. Ed. Engl., 1994, 106, 996-998. [all data]
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
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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