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Hydroxymethyl radical


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:
LL - Sharon G. Lias and Joel F. Liebman
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 CH3O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)166.kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity158.3kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Deltaf(+) ion171.6 ± 0.4kcal/molN/AN/A 

Ionization energy determinations

IE (eV) Method Reference Comment
7.562 ± 0.004EVALJohnson and Hudgens, 1996LL
7.553 ± 0.006PIBerkowitz, Ellison, et al., 1994Unpublished results of B. Ruscic and J. Berkowitz; LL
7.56 ± 0.02PITao, Klemm, et al., 1992LL
7.56 ± 0.01PEDyke, Ellis, et al., 1984LBLHLM
7.6DERGriller and Lossing, 1981LLK
8.14 ± 0.15EIFisher and Henderson, 1967RDSH
8.14 ± 0.01PEDyke, Ellis, et al., 1984Vertical value; LBLHLM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHO+8.61H2PITao, Klemm, et al., 1992LL

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]

Johnson and Hudgens, 1996
Johnson, R.D., III; Hudgens, J.W., Structural and thermochemical properties of hydroxymethyl (CH2OH) radicals and cations derived from observations of B 2A'(3p)<--X 2A" electronic spectra and from ab initio calculations, J. Phys. Chem., 1996, 100, 19874. [all data]

Berkowitz, Ellison, et al., 1994
Berkowitz, J.; Ellison, G.B.; Gutman, D., Three methods to measure RH bond energies, J. Phys. Chem., 1994, 98, 2744. [all data]

Tao, Klemm, et al., 1992
Tao, W.; Klemm, R.B.; Nesbitt, F.L.; Stief, J.L., A discharge flow-photoionization mass spectrometric study of hydroxymethyl radicals (H2COH and H2COD): Photoionization spectrum and ionization energy, J. Phys. Chem., 1992, 96, 104. [all data]

Dyke, Ellis, et al., 1984
Dyke, J.M.; Ellis, A.R.; Jonathan, N.; Keddar, N.; Morris, A., Observation of the CH2OH radical in the gas Ppase by vacuum ultraviolet photoelectron spectroscopy, Chem. Phys. Lett., 1984, 111, 207. [all data]

Griller and Lossing, 1981
Griller, D.; Lossing, F.P., On the thermochemistry of «alpha»-aminoalkyl radicals, J. Am. Chem. Soc., 1981, 103, 1586. [all data]

Fisher and Henderson, 1967
Fisher, I.P.; Henderson, E., Mass spectrometry of free radicals, J. Chem. Soc. Faraday Trans., 1967, 63, 1342. [all data]


Notes

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