2H-Thiopyran, tetrahydro-
- Formula: C5H10S
- Molecular weight: 102.198
- IUPAC Standard InChIKey: YPWFISCTZQNZAU-UHFFFAOYSA-N
- CAS Registry Number: 1613-51-0
- 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: Pentamethylene sulfide; Penthiophane; Tetrahydro-2H-thiopyran; Tetrahydrothiapyran; Tetrahydrothiopyran; Thiacyclohexane; Thiane
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Gas phase thermochemistry data
Go To: Top, 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -63.3 | kJ/mol | N/A | Sunner, 1963 | Value computed using ΔfHliquid° value of -106.0±1.0 kj/mol from Sunner, 1963 and ΔvapH° value of 42.7 kj/mol from McCullough, Finke, et al., 1954.; DRB |
ΔfH°gas | -63.5 ± 1.0 | kJ/mol | Ccr | McCullough, Finke, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -62.6 ± 1.0 kJ/mol; ALS |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 855.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 826.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.2 | PE | Sarneel, Worrell, et al., 1980 | LLK |
8.36 | PE | Sarneel, Worrell, et al., 1980 | Vertical value; LLK |
8.39 | PE | Planckaert, Doucet, et al., 1974 | Vertical value; LLK |
8.45 | PE | Sweigart and Turner, 1972 | Vertical value; LLK |
References
Go To: Top, Gas phase thermochemistry 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.
Sunner, 1963
Sunner, S.,
Corrected heat of combustion and formation values for a number of organic sulphur compounds,
Acta Chem. Scand., 1963, 17, 728-730. [all data]
McCullough, Finke, et al., 1954
McCullough, J.P.; Finke, H.L.; Hubbard, W.N.; Good, W.D.; Pennington, R.E.; Messerly, J.F.; Waddington, G.,
The chemical thermodynamic properties of thiacyclohexane from 0 to 1000°K,
J. Am. Chem. Soc., 1954, 76, 2661-26. [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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Sarneel, Worrell, et al., 1980
Sarneel, R.; Worrell, C.W.; Pasman, P.; Verhoeven, J.W.; Mes, G.F.,
The photoelectron spectra of 4-methylene thiacyclohexane derivatives through-bond interaction,
Tetrahedron, 1980, 36, 3241. [all data]
Planckaert, Doucet, et al., 1974
Planckaert, A.A.; Doucet, J.; Sandorfy, C.,
Comparative study of the vacuum ultraviolet absorption and photoelectron spectra of some simple ethers and thioethers,
J. Chem. Phys., 1974, 60, 4846. [all data]
Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W.,
Lone pair orbitals and their interactions studied by photoelectron spectroscopy. II. Equivalent orbitals in saturated oxygen and sulfur J. Heterocycl. Chem.,
J. Am. Chem. Soc., 1972, 94, 5599. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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