Methyl 4-methylphenylsulfoxide
- Formula: C8H10OS
- Molecular weight: 154.229
- IUPAC Standard InChI: InChI=1S/C8H10OS/c1-7-3-5-8(6-4-7)10(2)9/h3-6H,1-2H3
- IUPAC Standard InChIKey: FEVALTJSQBFLEU-UHFFFAOYSA-N
- CAS Registry Number: 934-72-5
- 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: Methyl p-methylphenylsulfoxide; 1-Methanesulfinyl-4-methylbenzene
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Gas phase ion energetics data
Go To: Top, References, Notes
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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.70 | PE | Mohraz, Jian-qi, et al., 1981 | Vertical value; LLK |
De-protonation reactions
C8H9OS- + =
By formula: C8H9OS- + H+ = C8H10OS
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 366.0 ± 2.1 | kcal/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° | 359.3 ± 2.0 | kcal/mol | IMRE | Taft and Topsom, 1987 | gas phase; value altered from reference due to change in acidity scale; B |
References
Go To: Top, 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.
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]
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, Gas phase ion energetics data, References
- Symbols used in this document:
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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.