Thiirane, methyl-
- Formula: C3H6S
- Molecular weight: 74.145
- IUPAC Standard InChIKey: MBNVSWHUJDDZRH-UHFFFAOYSA-N
- CAS Registry Number: 1072-43-1
- 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: Propane, 1,2-epithio-; Propene sulfide; Propylene episulfide; Propylene sulfide; 1,2-Epithiopropane; Methylthiirane; Thiirane, 2-methyl-; 2-Methylthiacyclopropane; 2-Methylthiirane; Propylene sulphide; NSC 36643; NSC 48100
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Gas phase thermochemistry data
Go To: Top, Phase change data, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 2.7 ± 0.3 | kcal/mol | Ccr | Sunner, 1963 |
Phase change data
Go To: Top, Gas phase thermochemistry data, 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 345.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.27 | 287. | A | Stephenson and Malanowski, 1987 | Based on data from 272. to 423. K. See also Dykyj, 1970 and Dykyj, Svoboda, et al., 1999.; AC |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Phase change 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C3H6S+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 199.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 191.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.85 | PI | Traeger, 1984 | LBLHLM |
8.7 | PE | Aue and Bowers, 1979 | LLK |
8.6 ± 0.2 | EI | Hobrock and Kiser, 1962 | RDSH |
8.88 | PE | McAlduff and Houk, 1977 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CHS+ | 14.1 ± 0.2 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
CH2S+ | 12.4 ± 0.3 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
CH3+ | 18.1 ± 0.4 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
CH3S+ | 13.5 ± 0.2 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C2H2+ | 17.7 ± 0.4 | ? | I | Hobrock and Kiser, 1962 | RDSH |
C2H2S+ | 15.6 ± 0.4 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C2H3+ | 17.2 ± 0.3 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C2H3S+ | 12.3 ± 0.3 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C3H+ | 22.2 ± 0.5 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C3H2+ | 19.2 ± 0.4 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C3H3+ | 15.9 ± 0.2 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C3H4+ | 14.4 ± 0.3 | ? | EI | Hobrock and Kiser, 1962 | RDSH |
C3H5+ | 10.66 | SH | PI | Traeger, 1984 | LBLHLM |
C3H5+ | 11.5 ± 0.2 | SH? | EI | Hobrock and Kiser, 1962 | RDSH |
C3H5S+ | 11.2 ± 0.3 | H | EI | Hobrock and Kiser, 1962 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, Phase change 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]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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]
Traeger, 1984
Traeger, J.C.,
Heat of formation for the SH radical by photoionization mass spectrometry,
Org. Mass Spectrom., 1984, 19, 514. [all data]
Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T.,
Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements
in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]
Hobrock and Kiser, 1962
Hobrock, B.G.; Kiser, R.W.,
Electron impact spectroscopy of propylene sulfide,
J. Phys. Chem., 1962, 66, 1551. [all data]
McAlduff and Houk, 1977
McAlduff, E.J.; Houk, K.N.,
Photoelectron spectra of substituted oxiranes and thiiranes. Substituent effects on ionization potentials involving σ orbitals,
Can. J. Chem., 1977, 55, 318. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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