2-Butanethiol, 2-methyl-
- Formula: C5H12S
- Molecular weight: 104.214
- IUPAC Standard InChI: InChI=1S/C5H12S/c1-4-5(2,3)6/h6H,4H2,1-3H3
- IUPAC Standard InChIKey: IQIBYAHJXQVQGB-UHFFFAOYSA-N
- CAS Registry Number: 1679-09-0
- 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: tert-Amyl mercaptan; tert-Pentyl mercaptan; 2-Methybutane-2-thiol; 2-Methyl-2-butanethiol; 2-tert-Pentyl mercaptan; 1,1-Dimethyl-1-propanethiol; 1,1-diMethyl-1-Propylthiol; 2-Methylbutan-2-thiol; 2-methylbutane-2-thiol
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -162.6 ± 0.88 | kJ/mol | Ccb | Scott, Douslin, et al., 1962 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -4122.0 ± 0.79 | kJ/mol | Ccb | Scott, Douslin, et al., 1962 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4121.4 ± 0.79 kJ/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 290.12 | J/mol*K | N/A | Scott, Douslin, et al., 1962 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 198.15 | 298.15 | Scott, Douslin, et al., 1962 | T = 10 to 350 K.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Scott, Douslin, et al., 1962
Scott, D.W.; Douslin, D.R.; Finke, H.L.; Hubbard, W.N.; Messerly, J.F.; Hossenlopp, I.A.; McCullough, J.P.,
2-Methyl-2-butanethiol: Chemical thermodynamic properties and rotational isomerism,
J. Phys. Chem., 1962, 66, 1334-1341. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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