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c70-Fullerene

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Condensed phase thermochemistry 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafsolid582.9 ± 8.8kcal/molCcbPimenova, Kolesov, et al., 1997 
Deltafsolid-582.9 ± 8.8kcal/molCcbPimenova, Kolesov, et al., 1997 
Deltafsolid610.7 ± 2.9kcal/molCcbBeckhaus, Verevkin, et al., 1994crystal phase
Quantity Value Units Method Reference Comment
Deltacsolid-7166.6 ± 8.8kcal/molCcbPimenova, Kolesov, et al., 1997Corresponding «DELTA»fsolid = 582.9 kcal/mol (simple calculation by NIST; no Washburn corrections)
Deltacsolid-7166.6 ± 7.6kcal/molCcbPimenova, Kolesov, et al., 1997Corresponding «DELTA»fsolid = 582.9 kcal/mol (simple calculation by NIST; no Washburn corrections)
Deltacsolid-7194.3 ± 2.4kcal/molCcbBeckhaus, Verevkin, et al., 1994crystal phase; Corresponding «DELTA»fsolid = 610.7 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change 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 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
Deltasub47.6 ± 0.5kcal/molMESchonherr, Matsumoto, et al., 2000Based on data from 864. - 1099. K.; AC
Deltasub48. ± 1.kcal/molVPiacente, Gigli, et al., 1996ALS
Deltasub47.8 ± 1.4kcal/molN/APiacente, Gigli, et al., 1996AC

Enthalpy of sublimation

DeltasubH (kcal/mol) Temperature (K) Method Reference Comment
45.36 ± 0.74844.MEPiacente, Gigli, et al., 1996Based on data from 783. - 904. K.; AC
41.6 ± 0.72740.MEPopovic, Drazic, et al., 1994AC
46.22 ± 0.36750.MSSai Baba, Lakshmi Narasimhan, et al., 1994AC
44.60788.MEMathews, Baba, et al., 1993AC
45.0 ± 1.0673. - 873.MEAbrefah, Olander, et al., 1992AC
45. ± 1.673.VAbrefah, Olander, et al., 1992, 2crystal phase; High level of uncertainty in the data; ALS
47. ± 2.737.VMathews, Vasudeva Rao, et al., 1991ALS
43.0 ± 2.2739.VPan, Sampson, et al., 1991ALS
43.0 ± 2.2739.ME,MSPan, Sampson, et al., 1991Based on data from 640. - 800. K.; AC

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 basicity197.8kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8. ± 0.5EIWorgotter, Dunser, et al., 1994LL
7.4DTIBeck, Weis, et al., 1994LL
7.8 ± 0.5EISaiBaba, LakshmiNarasimham, et al., 1993LL
7.35PELichtenberger, Rempe, et al., 1992LL
7.3 ± 0.2PIHertel, Steger, et al., 1992LL
7.61 ± 0.11IMBZimmerman and Eyler, 1991LL
7.6 ± 0.1IMBMcElvany and Bach, 1991LL
7.47 ± 0.02PELichtenberger, Rempe, et al., 1992Vertical value; LL

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C62+64.6 ± 2.2?EIWorgotter, Dunser, et al., 1994LL
C64+59.5 ± 1.9?EIWorgotter, Dunser, et al., 1994LL
C66+54. ± 1.7?EIWorgotter, Dunser, et al., 1994LL
C68+49.4 ± 1.4?EIWorgotter, Dunser, et al., 1994LL

References

Go To: Top, Condensed phase thermochemistry data, 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.

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]

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, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References