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Dimethyl sulfone

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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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
10.65PESolouki, Bock, et al., 1975Vertical value; LLK
10.80PEMuller and Schweig, 1973Vertical value; LLK
10.65PESolouki, Bock, et al., 1972Vertical value; LLK
10.97PEMines, Thomas, et al., 1972Vertical value; LLK

De-protonation reactions

C2H5O2S- + Hydrogen cation = Dimethyl sulfone

By formula: C2H5O2S- + H+ = C2H6O2S

Quantity Value Units Method Reference Comment
Deltar365.8 ± 2.2kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Deltar366.5 ± 2.9kcal/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Deltar358.2 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Deltar358.9 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase; B

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.

Solouki, Bock, et al., 1975
Solouki, B.; Bock, H.; Appel, R., Photoelektronenspektren und Molekuleigenschaften, XLV Schwefelsaure-Derivate X2SY2: Alkyl-, Vinyl- und Arylsulfone, Alkylsulfoimide und Sulfurylhalogenide, Chem. Ber., 1975, 108, 897. [all data]

Muller and Schweig, 1973
Muller, C.; Schweig, A., Konjugation in Sulfonen, Tetrahedron, 1973, 29, 3973. [all data]

Solouki, Bock, et al., 1972
Solouki, B.; Bock, H.; Appel, R., Sequence of orbitals in sulfones and sulfodiimides, Angew. Chem. Int. Ed. Engl., 1972, 11, 927. [all data]

Mines, Thomas, et al., 1972
Mines, G.W.; Thomas, R.K.; Thompson, H., Photoelectron spectra of compounds containing thionyl and sulphuryl groups, Proc. R. Soc. London A:, 1972, 329, 275. [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]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]


Notes

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