Cyclopentanethiol
- Formula: C5H10S
- Molecular weight: 102.198
- IUPAC Standard InChI: InChI=1S/C5H10S/c6-5-3-1-2-4-5/h5-6H,1-4H2
- IUPAC Standard InChIKey: WVDYBOADDMMFIY-UHFFFAOYSA-N
- CAS Registry Number: 1679-07-8
- 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: Cyclopentyl mercaptan; Mercaptocyclopentane
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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 | -89.33 ± 0.75 | kJ/mol | Ccb | Berg, Scott, et al., 1961 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -3909.5 ± 0.63 | kJ/mol | Ccb | Berg, Scott, et al., 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -3908.9 ± 0.63 kJ/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 256.86 | J/mol*K | N/A | Berg, Scott, et al., 1961 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 265.23 | 298.15 | Berg, Scott, et al., 1961 | T = 12 to 367 K. For metastable crystals 12 to 137 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.
Berg, Scott, et al., 1961
Berg, W.T.; Scott, D.W.; Hubbard, W.N.; Todd, S.S.; Messerly, J.F.; Hossenlopp, I.A.; Osborn, A.; Douslin, D.R.; McCullough, J.P.,
The chemical thermodynamic properties of cyclopentanethiol,
J. Phys. Chem., 1961, 65, 1425-1430. [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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