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, 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° | 373.6 ± 4.1 | kcal/mol | G+TS | Dahlke and Kass, 1991 | gas phase; Between iPrOH, MeCN. Reprotonation site uncertain.; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 367.0 ± 4.0 | kcal/mol | IMRB | Dahlke and Kass, 1991 | gas phase; Between iPrOH, MeCN. Reprotonation site uncertain.; B |
References
Go To: Top, 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.
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, 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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