Sulfone, methyl phenyl

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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)812.7kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity780.3kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.5PEMohraz, Jian-qi, et al., 1981LLK
9.85PEMohraz, Jian-qi, et al., 1981Vertical value; LLK
9.74PESolouki, Bock, et al., 1975Vertical value; LLK

De-protonation reactions

C7H7O2S- + Hydrogen cation = Sulfone, methyl phenyl

By formula: C7H7O2S- + H+ = C7H8O2S

Quantity Value Units Method Reference Comment
Deltar1518. ± 9.6kJ/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Deltar1487. ± 8.4kJ/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.

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]

Mohraz, Jian-qi, et al., 1981
Mohraz, M.; Jian-qi, W.; Heilbronner, E.; Solladie-Cavallo, A.; Matloubi-Moghadam, F., 11. Some comments on the conformations of methyl phenyl sulfides, sulfoxides and sulfones, Helv. Chim. Acta, 1981, 64, 97. [all data]

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]

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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