Benzene, 1-methyl-4-(methylsulfonyl)-
- Formula: C8H10O2S
- Molecular weight: 170.229
- IUPAC Standard InChIKey: YYDNBUBMBZRNQQ-UHFFFAOYSA-N
- CAS Registry Number: 3185-99-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Sulfone, methyl p-tolyl; p-Tolyl methyl sulfone; Methyl p-tolyl sulfone; 1-Methyl-4-(methyl-sulphonyl)benzene; Methyl p-tolyl sulphone; Methyl 4-tolyl sulfone; 1-Methansulfonyl-4-methylbenzene; (p-Tolylsulfonyl)methane; NSC 2722; NSC 29038; p-(methylsulphonyl)toluene
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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -373.1 ± 0.79 | kJ/mol | Ccr | Mackle and O'Hare, 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -387. ± 0.8 kJ/mol; Haet of combustion corrected for pressure |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -4806.45 ± 0.54 | kJ/mol | Ccr | Mackle and O'Hare, 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4792.6 ± 0.3 kJ/mol; Haet of combustion corrected for pressure |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 90. ± 2. | kJ/mol | V | Mackle and O'Hare, 1961 | Haet of combustion corrected for pressure |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Phase change 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
De-protonation reactions
C8H9O2S- + =
By formula: C8H9O2S- + H+ = C8H10O2S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1501. ± 8.8 | kJ/mol | G+TS | Taft and Topsom, 1987 | gas phase; value altered from reference due to change in acidity scale |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1473. ± 8.4 | kJ/mol | IMRE | Taft and Topsom, 1987 | gas phase; value altered from reference due to change in acidity scale |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
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
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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