2-Methylbut-2-yl 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
Δfgas6.7 ± 0.7kcal/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 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

View reactions leading to C5H11+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
6.65 ± 0.04PEKruppa and Beauchamp, 1986LBLHLM
6.85EILossing and Maccoll, 1976LLK
7.1 ± 0.1EITaubert and Lossing, 1962RDSH
6.91 ± 0.05PEKruppa and Beauchamp, 1986Vertical 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]

Kruppa and Beauchamp, 1986
Kruppa, G.H.; Beauchamp, J.L., Energetics and structure of the 1- and 2-adamantyl radicals and their corresponding carbonium ions by photoelectron spectroscopy, J. Am. Chem. Soc., 1986, 108, 2162. [all data]

Lossing and Maccoll, 1976
Lossing, F.P.; Maccoll, A., Free radicals by mass spectrometry, XLVII. Ionization potentials ionic and heats of formation of C5-C7 alkyl radicals, Can. J. Chem., 1976, 54, 990. [all data]

Taubert and Lossing, 1962
Taubert, R.; Lossing, F.P., Free radicals by mass spectrometry. XXVII. Ionization potentials of four pentyl radicals, J. Am. Chem. Soc., 1962, 84, 1523. [all data]


Notes

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