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 C4+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
3.882 ± 0.010LPESArnold, Bradforth, et al., 1991Linear structure for both anion and neutral. Bound state 37.063 kcal/mol up: Zhao, de Beer, et al., 1996; B
3.70 ± 0.10LPESYang, Taylor, et al., 1989EA given is Vertical Detachment Energy. probably linear structure.; B
2.10 ± 0.10LPDVager, Feldman, et al., 1991Cyclic isomer, by Coulomb explosion, Zhao, de Beer, et al., 1996 claims hot ions are the source.; B

Ionization energy determinations

IE (eV) Method Reference Comment
12.54 ± 0.35PERamathan, Zimmerman, et al., 1993LL
12.6EIDrowart, Burns, et al., 1959RDSH


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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

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]

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]

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]

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]

Drowart, Burns, et al., 1959
Drowart, J.; Burns, R.P.; DeMaria, G.; Inghram, M.G., Mass spectrometric study of carbon vapor, J. Chem. Phys., 1959, 31, 1131. [all data]


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