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Methyl radical, iodo-


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 by: Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to CH2I+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.40 ± 0.03PEAndrews, Dyke, et al., 1984 
8.52 ± 0.03PEAndrews, Dyke, et al., 1984Vertical value

Vibrational and/or electronic energy levels

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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 by: Marilyn E. Jacox

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

CH stretch 3050 T gas IR Baughcum and Leone, 1980
CH2 scissors 1330 T gas IR Baughcum and Leone, 1980
CH2 scissors 1331.5 s Ar IR Smith and Andrews, 1973
CI stretch 611 w m Ar IR Smith and Andrews, 1973
Umbrella 375 s Ar IR Smith and Andrews, 1973

Additional references: Jacox, 1994, page 150; Bailleux, Kania, et al., 2010

Notes

wWeak
mMedium
sStrong
TTentative assignment or approximate value

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.

Andrews, Dyke, et al., 1984
Andrews, L.; Dyke, J.M.; Jonathan, N.; Keddar, N.; orris, A., The first bands in the photoelectron spectra of the CH2Br, CD2Br, CHBr2, and CH2I free radicals, J. Phys. Chem., 1984, 88, 1950. [all data]

Baughcum and Leone, 1980
Baughcum, S.L.; Leone, S.R., Photofragmentation infrared emission studies of vibrationally excited free radicals CH3 and CH2I, J. Chem. Phys., 1980, 72, 12, 6531, https://doi.org/10.1063/1.439111 . [all data]

Smith and Andrews, 1973
Smith, D.W.; Andrews, L., Matrix infrared spectrum and bonding in the monoiodomethyl radical, J. Chem. Phys., 1973, 58, 12, 5222, https://doi.org/10.1063/1.1679134 . [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]

Bailleux, Kania, et al., 2010
Bailleux, S.; Kania, P.; Skrinsky, J.; Okabayashi, T.; Tanimoto, M.; Matsumoto, S.; Ozeki, H., Hyperfine Resolved Fourier Transform Microwave and Millimeter-Wave Spectroscopy of the Iodomethyl Radical, CH, J. Phys. Chem. A, 2010, 114, 14, 4776, https://doi.org/10.1021/jp909323h . [all data]


Notes

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