Carbon hexamer
- Formula: C6
- Molecular weight: 72.0642
- CAS Registry Number: 12595-84-5
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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 compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to C6+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 4.1800 ± 0.0010 | LPES | Arnold, Zhao, et al., 1992 | There is a bound state at 47.107 kcal/mol up; Zhao, de Beer, et al., 1996; B |
| 4.1850 ± 0.0060 | LPES | Arnold, Bradforth, et al., 1991 | Linear structure for both neutral and anion; B |
| <2.35 ± 0.10 | LPD | Vager, Feldman, et al., 1991 | Cyclic isomer, by Coulomb explosion, Zhao, de Beer, et al., 1996 claims hot ions are the source.; B |
| 4.10 ± 0.10 | LPES | Yang, Taylor, et al., 1989 | EA given is Vertical Detachment Energy. probably linear structure.; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.7 ± 0.2 | PE | Ramathan, Zimmerman, et al., 1993 | LL |
| 12.5 ± 0.3 | EI | Dibeler, Reese, et al., 1961 | RDSH |
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.
Arnold, Zhao, et al., 1992
Arnold, C.C.; Zhao, Y.X.; Kitsopoulos, T.N.; Neumark, D.M.,
Study of C6(-) and C6 with Threshold Photodetachment Spectroscopy and Autodetachment Spectroscopy,
J. Chem. Phys., 1992, 97, 9, 6121, https://doi.org/10.1063/1.463722
. [all data]
Zhao, de Beer, et al., 1996
Zhao, Y.; de Beer, E.; Xu, C.; Taylor, T.; Neumark, D.M.,
Spectroscopy and Electron Detachment Dynamics of C4-, C6- and C8-,
J. Chem. Phys., 1996, 105, 12, 4905, https://doi.org/10.1063/1.472341
. [all data]
Arnold, Bradforth, et al., 1991
Arnold, D.W.; Bradforth, S.E.; Kitsopoulos, T.N.; Neumark, D.M.,
Vibrationally Resolved Spectra of C2-C11 by Anion Photoelectron Spectroscopy,
J. Chem. Phys., 1991, 95, 12, 8753, https://doi.org/10.1063/1.461211
. [all data]
Vager, Feldman, et al., 1991
Vager, Z.; Feldman, H.; Kella, D.; Malkin, E.; Miklazky, E.; Zajfman, J.; Naaman, R.,
The Structure of Small Carbon Clusters,
Z. Phys. D, 1991, 19, 1-4, 413, https://doi.org/10.1007/BF01448341
. [all data]
Yang, Taylor, et al., 1989
Yang, S.; Taylor, K.J.; Craycraft, M.J.; Conceicao, J.; Pettiette, C.L.; Cherhnovsky, O.; Smalley, R.E.,
UPS of 2-30 Atom Carbon Clusters: Chains and Rings,
Chem. Phys. Lett., 1989, 144, 5-6, 431, https://doi.org/10.1016/0009-2614(88)87291-9
. [all data]
Ramathan, Zimmerman, et al., 1993
Ramathan, R.; Zimmerman, J.A.; Eyler, J.R.,
Ionization potentials of small carbon clusters,
J. Chem. Phys., 1993, 98, 7838. [all data]
Dibeler, Reese, et al., 1961
Dibeler, V.H.; Reese, R.M.; Franklin, J.L.,
Mass spectrometric study of cyanogen and cyanoacetylenes,
J. Am. Chem. Soc., 1961, 83, 1813. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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