Phenyl radical

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Gas 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.

Quantity Value Units Method Reference Comment
Δfgas339. ± 8.kJ/molN/ATsang, 1996 

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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 C6H5+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)884.kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity851.5kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
ΔfH(+) ion,0K1149.kJ/molN/AN/A 

Electron affinity determinations

EA (eV) Method Reference Comment
1.0960 ± 0.0060LPESGunion, Gilles, et al., 1992B
1.20 ± 0.20EIAEHacaloglu, Gaines, et al., 1993From PhNO2; B
2.359 ± 0.039SIFailes, Joyce, et al., 1976The Magnetron method, lacking mass analysis, is not considered reliable.; B
2.16821SIPage, 1972The Magnetron method, lacking mass analysis, is not considered reliable.; B

Ionization energy determinations

IE (eV) Method Reference Comment
8.32 ± 0.04PEButcher, Costa, et al., 1987LBLHLM
8.1 ± 0.1PISergeev, Akopyan, et al., 1972LLK
9.20EIFisher, Palmer, et al., 1964RDSH
8.67 ± 0.02PEButcher, Costa, et al., 1987Vertical value; LBLHLM

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.

Tsang, 1996
Tsang, W., Heats of Formation of Organic Free Radicals by Kinetic Methods in Energetics of Organic Free Radicals, Martinho Simoes, J.A.; Greenberg, A.; Liebman, J.F., eds., Blackie Academic and Professional, London, 1996, 22-58. [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]

Gunion, Gilles, et al., 1992
Gunion, R.F.; Gilles, M.K.; Polak, M.L.; Lineberger, W.C., Ultraviolet Photoelectron Spectroscopy of the Phenide, Benzyl, and Phenoxide Anions., Int. J. Mass Spectrom. Ion Proc., 1992, 117, 601, https://doi.org/10.1016/0168-1176(92)80115-H . [all data]

Hacaloglu, Gaines, et al., 1993
Hacaloglu, J.; Gaines, A.; Suzer, S., Determination of Electron Affinity of Phenyl Radical by Dissociative Electron Attachment Technique, Org. Mass Spectrom., 1993, 28, 3, 285, https://doi.org/10.1002/oms.1210280324 . [all data]

Failes, Joyce, et al., 1976
Failes, R.L.; Joyce, J.T.; Walton, E.C., The behaviour of some dimethyl and trimethyl substituted pyridines in the magnetron, J. Phys. D: Appl. Phys., 1976, 9, 1543. [all data]

Page, 1972
Page, F.M., Experimental determination of the electron affinities of inorganic radicals, Adv. Chem. Ser., 1972, 36, 68. [all data]

Butcher, Costa, et al., 1987
Butcher, V.; Costa, M.L.; Dyke, J.M.; Ellis, A.R.; Morris, A., A study of the phenyl radical by vacuum ultraviolet photoelectron spectroscopy, Chem. Phys., 1987, 115, 261. [all data]

Sergeev, Akopyan, et al., 1972
Sergeev, Yu.L.; Akopyan, M.E.; Vilesov, F.I., Photoionization of the phenyl radical, Opt. Spectrosc., 1972, 32, 121, In original 230. [all data]

Fisher, Palmer, et al., 1964
Fisher, I.P.; Palmer, T.F.; Lossing, F.P., The vertical ionization potentials of phenyl and phenoxy radicals, J. Am. Chem. Soc., 1964, 86, 2741. [all data]


Notes

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