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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Gas phase ion energetics data
Go To: Top, 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)
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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, 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.
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]
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]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy 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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