Cycloheptatrienyl radical

• Formula: C₇H₇
• Molecular weight: 91.1305
• IUPAC Standard InChI: InChI=1S/C7H7/c1-2-4-6-7-5-3-1/h1-7H Copy

  
• IUPAC Standard InChIKey: WIQYRPSOJMHAHR-UHFFFAOYSA-N Copy
• CAS Registry Number: 3551-27-7
• Chemical structure:
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

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

View reactions leading to C₇H₇⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

References

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

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]

Gunion, Karney, et al., 1996
Gunion, R.F.; Karney, W.; Wenthold, P.G.; Borden, W.T.; Lineberger, W.C., Ultraviolet Photoelectron Spectroscopy of Some C7H7- Isomers: Quadricyclanide, Norbornadienide, Cycloheptatrienide, and 1,6-Heptadiynide, J. Am. Chem. Soc., 1996, 118, 21, 5074, https://doi.org/10.1021/ja954026f . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Koenig and Chang, 1978
Koenig, T.; Chang, J.C., Helium(I) photoelectron spectrum of tropyl radical, J. Am. Chem. Soc., 1978, 100, 2240. [all data]

Hvistendahl, Undheim, et al., 1973
Hvistendahl, G.; Undheim, K.; Gyorosi, P., Mass spectrometry of tropylium halides, Org. Mass Spectrom., 1973, 7, 903. [all data]

Elder and Parr, 1969
Elder, F.A.; Parr, A.C., Photoionization of the cycloheptatrienyl radical, J. Chem. Phys., 1969, 50, 1027. [all data]

Thrush and Zwolenik, 1963
Thrush, B.A.; Zwolenik, J.J., Spectrum of the tropyl radical, Faraday Discuss. Chem. Soc., 1963, 35, 196. [all data]

Harrison, Honnen, et al., 1960
Harrison, A.G.; Honnen, L.R.; Dauben, H.J., Jr.; Lossing, F.P., Free radicals by mass spectrometry. XX. Ionization potentials of cyclopentadienyl and cycloheptatrienyl radicals, J. Am. Chem. Soc., 1960, 82, 5593. [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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