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Carbazole

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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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C12H9N+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
7.57 ± 0.03PIPotapov, Kardash, et al., 1972LLK
7.6 ± 0.1EIRapp, Staab, et al., 1970RDSH
7.2 ± 0.1EIRiepe and Zander, 1969RDSH
7.50PERuscic, Kovac, et al., 1978Vertical value; LLK
7.68PEHaink, Adams, et al., 1974Vertical value; LLK

De-protonation reactions

C12H8N- + Hydrogen cation = Carbazole

By formula: C12H8N- + H+ = C12H9N

Quantity Value Units Method Reference Comment
Deltar345.1 ± 2.1kcal/molG+TSTaft and Bordwell, 1988gas phase; B
Deltar335.5 ± 5.0kcal/molEIAEMuftakhov, Vasil'ev, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Deltar337.4 ± 2.0kcal/molIMRETaft and Bordwell, 1988gas phase; B

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.

Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I., Photoionization of heteroaromatic compounds, Khim. Vys. Energ., 1972, 6, 392. [all data]

Rapp, Staab, et al., 1970
Rapp, U.; Staab, H.A.; Wunsche, C., Skelettumlagerungen unter Elektronenbeschuss-IV: zur Struktur der C13H9- und C12H9N-Ionen bei Benzylidenaminobenztriazolen, Org. Mass Spectrom., 1970, 3, 45. [all data]

Riepe and Zander, 1969
Riepe, W.; Zander, M., Massenspektroskopische Untersuchungen an Carbazolen, Z. Naturforsch., 1969, 24a, 2017. [all data]

Ruscic, Kovac, et al., 1978
Ruscic, B.; Kovac, B.; Klasinc, L.; Gusten, H., Photoelectron spectroscopy of J. Heterocycl. Chem.. Fluorene analogues, Z. Naturforsch. A:, 1978, 33, 1006. [all data]

Haink, Adams, et al., 1974
Haink, H.J.; Adams, J.E.; Huber, J.R., The electronic structure of aromatic amines: photoelectron spectroscopy of diphenylamine, iminobibenzyl, acridan and carbazole, Ber. Bunsen-Ges. Phys. Chem., 1974, 78, 436. [all data]

Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G., Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase, Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005 . [all data]

Muftakhov, Vasil'ev, et al., 1999
Muftakhov, M.V.; Vasil'ev, Y.V.; Khatymov, R.V.; Mazunov, V.A.; Takhistov, V.V.; Travkin, O.V.; Yakovleva, E.V., Thermochemistry of negatively charged ions. II. Energetics of formation of negative ions from acridanone and some of its derivatives, Rapid Commun. Mass Spectrom., 1999, 13, 10, 912-923, https://doi.org/10.1002/(SICI)1097-0231(19990530)13:10<912::AID-RCM585>3.0.CO;2-W . [all data]


Notes

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