c70-Fullerene
- Formula: C70
- Molecular weight: 840.7490
- CAS Registry Number: 115383-22-7
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Phase change 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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 47.6 ± 0.5 | kcal/mol | ME | Schonherr, Matsumoto, et al., 2000 | Based on data from 864. to 1099. K.; AC |
ΔsubH° | 48. ± 1. | kcal/mol | V | Piacente, Gigli, et al., 1996 | ALS |
ΔsubH° | 47.8 ± 1.4 | kcal/mol | N/A | Piacente, Gigli, et al., 1996 | AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
45.36 ± 0.74 | 844. | ME | Piacente, Gigli, et al., 1996 | Based on data from 783. to 904. K.; AC |
41.6 ± 0.72 | 740. | ME | Popovic, Drazic, et al., 1994 | AC |
46.22 ± 0.36 | 750. | MS | Sai Baba, Lakshmi Narasimhan, et al., 1994 | AC |
44.60 | 788. | ME | Mathews, Baba, et al., 1993 | AC |
45.0 ± 1.0 | 673. to 873. | ME | Abrefah, Olander, et al., 1992 | AC |
45. ± 1. | 673. | V | Abrefah, Olander, et al., 1992, 2 | crystal phase; High level of uncertainty in the data; ALS |
47. ± 2. | 737. | V | Mathews, Vasudeva Rao, et al., 1991 | ALS |
43.0 ± 2.2 | 739. | V | Pan, Sampson, et al., 1991 | ALS |
43.0 ± 2.2 | 739. | ME,MS | Pan, Sampson, et al., 1991 | Based on data from 640. to 800. K.; AC |
Gas phase ion energetics data
Go To: Top, Phase change 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 | 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, Phase change 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.
Schonherr, Matsumoto, et al., 2000
Schonherr, E.; Matsumoto, K.; Murakami, K.,
Proc.-Electrochem. Soc., 2000, 12, 89. [all data]
Piacente, Gigli, et al., 1996
Piacente, V.; Gigli, G.; Scardala, P.; Giustini, A.; Bardi, G.,
Vapor pressure of C70 fullerene,
J. Phys. Chem., 1996, 100, 9815-9819. [all data]
Popovic, Drazic, et al., 1994
Popovic, Arkadij; Drazic, Goran; Marsel, Joze,
Mass spectrometric investigations of fullerenes. I. Vapour pressure over the C60/C70 binary system,
Rapid Commun. Mass Spectrom., 1994, 8, 12, 985-990, https://doi.org/10.1002/rcm.1290081216
. [all data]
Sai Baba, Lakshmi Narasimhan, et al., 1994
Sai Baba, M.; Lakshmi Narasimhan, T.S.; Balasubramanian, R.; Sivaraman, N.; Mathews, C.K.,
Studies on the thermodynamics of the fullerene C60-C70 binary system,
J. Phys. Chem., 1994, 98, 4, 1333-1340, https://doi.org/10.1021/j100055a047
. [all data]
Mathews, Baba, et al., 1993
Mathews, C.K.; Baba, M. Sai; Lakshmi Narasimhan, T.S.; Balasubramanian, R.; Sivaraman, N.; Srinivasan, T.G.; Vasudeva Rao, P.R.,
Vapour Pressure and Enthalpy of Sublimation of C 70,
Fullerene Science and Technology, 1993, 1, 1, 101-109, https://doi.org/10.1080/15363839308015519
. [all data]
Abrefah, Olander, et al., 1992
Abrefah, J.; Olander, D.R.; Balooch, M.; Siekhaus, W.J.,
Vapor pressure of Buckminsterfullerene,
Appl. Phys. Lett., 1992, 60, 11, 1313, https://doi.org/10.1063/1.107327
. [all data]
Abrefah, Olander, et al., 1992, 2
Abrefah, J.; Olander, D.R.; Balooch, M.; Siekhaus, W.J.,
Vapor pressure of buckminsterfullerene,
Appl. Phys. Lett., 1992, 60, 1313-1314. [all data]
Mathews, Vasudeva Rao, et al., 1991
Mathews, C.K.; Vasudeva Rao, P.R.; Srinivasan, T.G.; Ganesan, V.; Sivaraman, N.; Lakshmi Narasimhan, T.S.L.; Kaliappan, I.; Chandran, K.; Dhamodaran, R.,
Preparation and characterization of buckministerfullerene and measurement of its heat of sublimation,
Curr. Sci., 1991, 61, 834-838. [all data]
Pan, Sampson, et al., 1991
Pan, C.; Sampson, M.P.; Chai, Y.; Hauge, R.H.; Margrave, J.L.,
Heats of sublimation from a polycrystalline mixture of C60 and C70,
J. Phys. Chem., 1991, 95, 2944-2946. [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, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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