Sulfide, allyl methyl
- Formula: C4H8S
- Molecular weight: 88.171
- IUPAC Standard InChIKey: NVLPQIPTCCLBEU-UHFFFAOYSA-N
- CAS Registry Number: 10152-76-8
- 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: 1-Propene, 3-(methylthio)-; Allyl methyl sulfide; Methyl allyl sulfide; 3-(Methylthio)propene; CH3SCH2CH=CH2; 3-(Methylsulfanyl)-1-propene; 3-(Methylthio)-1-propene; Methyl 2-propenyl sulfide; Methyl allyl sulphide; allyl methyl sulphide
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Phase change 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 by: Robert L. Brown and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 365.2 | K | N/A | Weast and Grasselli, 1989 | |
Tboil | 365. | K | N/A | American Tokyo Kasei, 1988 |
Reaction 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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C4H7S- + =
By formula: C4H7S- + H+ = C4H8S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1563. ± 17. | kJ/mol | G+TS | Dahlke and Kass, 1991 | gas phase; Between iPrOH, MeCN. Reprotonation site uncertain.; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1536. ± 17. | kJ/mol | IMRB | Dahlke and Kass, 1991 | gas phase; Between iPrOH, MeCN. Reprotonation site uncertain.; B |
By formula: C4H8S = C4H8S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -13.9 ± 0.5 | kJ/mol | Eqk | Kimmelma, 1988 | liquid phase; solvent: DMSO; NMR; ALS |
Gas phase ion energetics data
Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C4H8S+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.6 | PE | Schafer and Schweig, 1972 | LLK |
8.7 ± 0.2 | EI | Hobrock and Kiser, 1963 | RDSH |
8.65 | PE | Eaton and Traylor, 1974 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CHS+ | 13.8 ± 0.3 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
CH2S+ | 11.4 ± 0.3 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
CH3+ | 17.7 ± 0.5 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
CH3S+ | 11.9 ± 0.2 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
CH4S+ | 11.5 ± 0.2 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
C2H3+ | 16.5 ± 0.4 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
C2H5S+ | 12.0 ± 0.2 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
C3H+ | 16.6 ± 0.5 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
C3H2+ | 20.3 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
C3H3+ | 16.5 ± 0.4 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
C3H5+ | 12.7 ± 0.3 | ? | EI | Hobrock and Kiser, 1963 | RDSH |
C3H5S+ | 11.0 ± 0.2 | CH3 | EI | Hobrock and Kiser, 1963 | RDSH |
De-protonation reactions
C4H7S- + =
By formula: C4H7S- + H+ = C4H8S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1563. ± 17. | kJ/mol | G+TS | Dahlke and Kass, 1991 | gas phase; Between iPrOH, MeCN. Reprotonation site uncertain.; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1536. ± 17. | kJ/mol | IMRB | Dahlke and Kass, 1991 | gas phase; Between iPrOH, MeCN. Reprotonation site uncertain.; B |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-IW- 596 |
NIST MS number | 238777 |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
American Tokyo Kasei, 1988
American Tokyo Kasei,
TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]
Dahlke and Kass, 1991
Dahlke, G.D.; Kass, S.R.,
Substituent Effects in the Gas Phase - 1-Substituted Allyl Anions,
J. Am. Chem. Soc., 1991, 113, 15, 5566, https://doi.org/10.1021/ja00015a008
. [all data]
Kimmelma, 1988
Kimmelma, R.,
Structure-stability relationships in vinyl sulfides. III. Stabilization caused by different alkylthio and phenylthio groups attached to an olefinic double bond,
Acta Chem. Scand., 1988, 42, 550-555. [all data]
Schafer and Schweig, 1972
Schafer, W.; Schweig, A.,
Evidence against the significance of C-S hyperconjugation in determining the conformation of allyl methyl sulphide,
J. Chem. Soc., Chem. Commun., 1972, 824. [all data]
Hobrock and Kiser, 1963
Hobrock, B.G.; Kiser, R.W.,
Electron impact investigations of sulfur compounds. II. 3-Methyl-2-thiabutane, 4-thia-1-pentene, and 3,4-dithiahexane,
J. Phys. Chem., 1963, 67, 648. [all data]
Eaton and Traylor, 1974
Eaton, D.F.; Traylor, T.G.,
Distortional stabilization in phenyl participations,
J. Am. Chem. Soc., 1974, 96, 7109. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point 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
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