Tert-butyl radical

• Formula: C₄H₉
• Molecular weight: 57.1143
• CAS Registry Number: 1605-73-8
• Information on this page:
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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:
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 C₄H₉⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

Vibrational and/or electronic energy levels

Go To: Top, Gas phase ion energetics data, References, Notes

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

Data compiled by: Marilyn E. Jacox

State:   3d

State:   3p

State:   3s

State:   X

Additional references: Jacox, 1994, page 384

Notes

References

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

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

DePuy, Gronert, et al., 1989
DePuy, C.H.; Gronert, S.; Barlow, S.E.; Bierbaum, V.M.; Damrauer, R., The Gas Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1989, 111, 6, 1968, https://doi.org/10.1021/ja00188a003 . [all data]

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

Page and Goode, 1969
Page, F.M.; Goode, G.C., Negative Ions and the Magnetron., Wiley, NY, 1969. [all data]

Houle and Beauchamp, 1979
Houle, F.A.; Beauchamp, J.L., Photoelectron spectroscopy of methyl, ethyl, isopropyl, and tert-butyl radicals. Implications for the thermochemistry and structures of the radicals and their corresponding carbonium ions, J. Am. Chem. Soc., 1979, 101, 4067. [all data]

Dyke, Jonathan, et al., 1977
Dyke, J.; Jonathan, N.; Lee, E.; Morris, A.; Winter, M., Vacuum ultraviolet photoelectron spectroscopy of transient species: Part 8, the t-butyl radical, Phys. Scr., 1977, 16, 197. [all data]

Lossing and Semeluk, 1970
Lossing, F.P.; Semeluk, G.P., Free radicals by mass spectrometry. XLII.Ionization potentials and ionic heats of formation for C₁-C₄ alkyl radicals, Can. J. Chem., 1970, 48, 955. [all data]

Koenig, Balle, et al., 1975
Koenig, T.; Balle, T.; Snell, W., Helium(I) photoelectron spectra of organic radicals, J. Am. Chem. Soc., 1975, 97, 662. [all data]

Parkes and Quinn, 1975
Parkes, D.A.; Quinn, C.P., The ultraviolet absorption spectrum of tert-butyl radicals and the rate constant for their recombination, Chem. Phys. Lett., 1975, 33, 3, 483, https://doi.org/10.1016/0009-2614(75)85757-5 . [all data]

Parkes and Quinn, 1976
Parkes, D.A.; Quinn, C.P., J. Chem. Soc., 1976, Faraday Trans. 1 72, 1952. [all data]

Wendt and Hunziker, 1984
Wendt, H.R.; Hunziker, H.E., The UV spectra of primary, secondary, and tertiary alkyl radicals, J. Chem. Phys., 1984, 81, 2, 717, https://doi.org/10.1063/1.447755 . [all data]

Pacansky and Chang, 1981
Pacansky, J.; Chang, J.S., Infrared matrix isolation studies on the t-butyl radical, J. Chem. Phys., 1981, 74, 10, 5539, https://doi.org/10.1063/1.440916 . [all data]

Schrader, Pacansky, et al., 1984
Schrader, B.; Pacansky, J.; Pfeiffer, U., Calculation of the frequencies and intensities in the infrared spectra of matrix-isolated tert-butyl radical and isobutane, J. Phys. Chem., 1984, 88, 18, 4069, https://doi.org/10.1021/j150662a043 . [all data]

Bethune, 1981
Bethune, D.S., J. R. Lankard, 1981, P. P. Sorokin, A. J. Schell-Sorokin, R. M. Plecenik, and Ph. Avouris, J. Chem. Phys. 75, 2231. [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Notes

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References

• Symbols used in this document:
  

  EA	Electron affinity
  ΔfH(+) ion,0K	Enthalpy of formation of positive ion at 0K

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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