Mercaptomethyl radical


Gas phase ion energetics data

Go To: Top, References, Notes

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
B - John E. Bartmess

View reactions leading to CH3S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)175.4kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity167.7kcal/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.78 ± 0.33IMRBKass, Guo, et al., 1990Between O2 and SO2. Explains bad anchor in McIver Jr. and Fukuda, 1982; B

Ionization energy determinations

IE (eV) Method Reference Comment
7.536 ± 0.003PIRuscic and Berkowitz, 1992LL

References

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

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]

Kass, Guo, et al., 1990
Kass, S.R.; Guo, H.-Z.; Dahlke, G.D., The Thiomethyl Anion: Formation, Reactivity, and Thermodynamic Properties, J. Am. Soc. Mass Spectrom., 1990, 1, 5, 366, https://doi.org/10.1016/1044-0305(90)85016-F . [all data]

McIver Jr. and Fukuda, 1982
McIver Jr.; Fukuda, E.K., Equilibrium Electron Affinities, Lec. Notes in Chem., 1982, 31, 165. [all data]

Ruscic and Berkowitz, 1992
Ruscic, B.; Berkowitz, J., Photoionization mass spectrometric studies of the isomeric transient species CH2SH and CH3S, J. Chem. Phys., 1992, 97, 1818. [all data]


Notes

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