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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Gas 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 |
---|---|---|---|---|---|
ΔfH°gas | -273.1 ± 3.4 | kJ/mol | Ccr | Mackle and O'Hare, 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -300. ± 3. kJ/mol; Haet of combustion corrected for pressure |
Reaction 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 as indicated in comments:
B - John E. Bartmess
RCD - Robert C. Dunbar
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
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; B |
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; B |
By formula: Li+ + C8H10O2S = (Li+ • C8H10O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 216. | kJ/mol | CIDC | Buncel, Decouzon, et al., 1997 | RCD |
Ion clustering 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: Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: Li+ + C8H10O2S = (Li+ • C8H10O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 216. | kJ/mol | CIDC | Buncel, Decouzon, et al., 1997 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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]
Buncel, Decouzon, et al., 1997
Buncel, E.; Decouzon, M.; Formento, A.; Gal, J.-F.; Herreros, M.; Li, L.; Maria, P.-C.,
Lithium-Cation and Proton Affinities of Sulfoxides and Sulfones: A Fourier Transform Ion Cyclotron Resonance Study,
J. Am. Soc. Mass Spectrom., 1997, 8, 3, 262, https://doi.org/10.1016/S1044-0305(96)00255-3
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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