Benzene, 1-methyl-4-(methylsulfonyl)-

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Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-373.1 ± 0.79kJ/molCcrMackle and O'Hare, 1961Reanalyzed by Cox and Pilcher, 1970, Original value = -387. ± 0.8 kJ/mol; Haet of combustion corrected for pressure
Quantity Value Units Method Reference Comment
Δcliquid-4806.45 ± 0.54kJ/molCcrMackle and O'Hare, 1961Reanalyzed by Cox and Pilcher, 1970, Original value = -4792.6 ± 0.3 kJ/mol; Haet of combustion corrected for pressure

Phase change 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δvap90. ± 2.kJ/molVMackle and O'Hare, 1961Haet of combustion corrected for pressure

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 by: John E. Bartmess

De-protonation reactions

C8H9O2S- + Hydrogen cation = Benzene, 1-methyl-4-(methylsulfonyl)-

By formula: C8H9O2S- + H+ = C8H10O2S

Quantity Value Units Method Reference Comment
Δr1501. ± 8.8kJ/molG+TSTaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1473. ± 8.4kJ/molIMRETaft and Topsom, 1987gas phase; value altered from reference due to change in acidity scale

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.

Mackle and O'Hare, 1961
Mackle, H.; O'Hare, P.A.G., Studies in the thermochemistry of sulphones. Part 6 - Heats of combustion, fusion, vaporization and atomization of six aromatic and two allylic sulphones, Trans. Faraday Soc., 1961, 57, 1521-1526. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D., The Nature and Analysis of Substituent Effects, Prog. Phys. Org. Chem., 1987, 16, 1. [all data]


Notes

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