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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:
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to CH3S+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
1.8670 ± 0.0040LPESSchwartz, Davico, et al., 2000B
1.871 ± 0.012LPESMoran and Ellison, 1988B
1.90 ± 0.13D-EABartmess, Scott, et al., 1979value altered from reference due to change in acidity scale; B
1.882 ± 0.022LPESEngleking, Ellison, et al., 1978B
1.8610 ± 0.0040LPDJanousek and Brauman, 1980B
1.8610 ± 0.0040LPDJanousek, Reed, et al., 1980B
1.36163SIPage and Goode, 1969The Magnetron method, lacking mass analysis, is not considered reliable.; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.262 ± 0.005PIRuscic and Berkowitz, 1992LL
9.225 ± 0.014PINourbakhsh, Norwood, et al., 1991LL
8.1 ± 0.3CIELGriffiths and Harris, 1987LBLHLM
8.1 ± 0.1EIPalmer and Lossing, 1962RDSH


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.

Schwartz, Davico, et al., 2000
Schwartz, R.L.; Davico, G.E.; Lineberger, W.C., Negative-ion photoelectron spectroscopy of CH3S-, J. Electron Spectros. Rel. Phenom., 2000, 108, 1-3, 163-168, . [all data]

Moran and Ellison, 1988
Moran, S.; Ellison, G.B., Photoelectron Spectroscopy of Sulfur Ions, J. Phys. Chem., 1988, 92, 7, 1794, . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Engleking, Ellison, et al., 1978
Engleking, P.C.; Ellison, G.B.; Lineberger, W.C., Laser photodetachment electron spectrometry of methoxide, deuteromethoxide, and thiomethoxide: Electron affinities and vibrational structure of CH3O, and CH3S, J. Chem. Phys., 1978, 69, 1826. [all data]

Janousek and Brauman, 1980
Janousek, B.K.; Brauman, J.I., Electron photodetachment of thiomethoxyl and deuterothiomethoxyl anions: Electron affinities, vibrational frequencies, and spin-orbit splitting in CH3S- and CD3S-, J. Chem. Phys., 1980, 72, 694. [all data]

Janousek, Reed, et al., 1980
Janousek, B.K.; Reed, K.J.; Brauman, J.I., Electron photodetachment from mercaptyl anions (RS- electron affinities of mercaptyl radicals and the S-H bond strength in mercaptans), J. Am. Chem. Soc., 1980, 102, 3125. [all data]

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

Nourbakhsh, Norwood, et al., 1991
Nourbakhsh, S.; Norwood, K.; He, G.-Z.; Ng, C.Y., Photoionization study of supersonically cooled polyatomic radicals: Heat of formation of CH3S+, J. Am. Chem. Soc., 1991, 113, 6311. [all data]

Griffiths and Harris, 1987
Griffiths, W.J.; Harris, F.M., Ionization energies of CH3O and CH3S radicals measured by charge-inversion energy-loss spectrometry, Chem. Phys. Lett., 1987, 142, 7. [all data]

Palmer and Lossing, 1962
Palmer, T.F.; Lossing, F.P., Free radicals by mass spectrometry. XXVIII. The HS, CH3S, and phenyl-S radicals: ionization potentials and heats of formation, J. Am. Chem. Soc., 1962, 84, 4661. [all data]


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