Methanesulfonic acid


Reaction thermochemistry data

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

CH3O3S- + Hydrogen cation = Methanesulfonic acid

By formula: CH3O3S- + H+ = CH4O3S

Quantity Value Units Method Reference Comment
Δr320.9 ± 2.2kcal/molG+TSKoppel, Taft, et al., 1994gas phase
Quantity Value Units Method Reference Comment
Δr315.0 ± 2.0kcal/molIMREKoppel, Taft, et al., 1994gas phase
Δr315.8 ± 2.0kcal/molIMRETaft, Koppel, et al., 1990gas phase

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, 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:
B - John E. Bartmess

Quantity Value Units Method Reference Comment
Proton affinity (review)182.0kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity174.2kcal/molN/AHunter and Lias, 1998HL

De-protonation reactions

CH3O3S- + Hydrogen cation = Methanesulfonic acid

By formula: CH3O3S- + H+ = CH4O3S

Quantity Value Units Method Reference Comment
Δr320.9 ± 2.2kcal/molG+TSKoppel, Taft, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr315.0 ± 2.0kcal/molIMREKoppel, Taft, et al., 1994gas phase; B
Δr315.8 ± 2.0kcal/molIMRETaft, Koppel, et al., 1990gas phase; B

References

Go To: Top, Reaction thermochemistry data, 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.

Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M., The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids, J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038 . [all data]

Taft, Koppel, et al., 1990
Taft, R.W.; Koppel, I.J.; Topsom, R.D.; Anvia, F., Acidities of OH Compounds, including Alcohols, Phenols, Carboxylic Acids, and Mineral Acids, J. Am. Chem. Soc., 1990, 112, 6, 2047, https://doi.org/10.1021/ja00162a001 . [all data]

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]


Notes

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