Methyl hydrogen disulfide
- Formula: CH4S2
- Molecular weight: 80.172
- IUPAC Standard InChI: InChI=1S/CH4S2/c1-3-2/h2H,1H3
- IUPAC Standard InChIKey: KFLNNVFDKSNGBW-UHFFFAOYSA-N
- CAS Registry Number: 6251-26-9
- 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: Methyl hydrodisulfide; Methyl sulfhydryl sulfide; Hydrogen methyl disulfide
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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 by: John E. Bartmess
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
CH3S2- + =
By formula: CH3S2- + H+ = CH4S2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1471. ± 13. | kJ/mol | G+TS | Downard, Bowie, et al., 1992 | gas phase; Acid: between CF3COCH3, tBuSH |
| ΔrH° | 1471. ± 17. | kJ/mol | D-EA | Moran and Ellison, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1443. ± 13. | kJ/mol | IMRB | Downard, Bowie, et al., 1992 | gas phase; Acid: between CF3COCH3, tBuSH |
| ΔrG° | 1443. ± 17. | kJ/mol | H-TS | Moran and Ellison, 1988 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Downard, Bowie, et al., 1992
Downard, K.M.; Bowie, J.H.; O'Hair, R.A.J.; Krempp, M.; DePuy, C.H.,
Gas Phase Reactions of the Methylsulfinyl and Methyldisulfide Anions,
Int. J. Mass Spectrom. Ion Proc., 1992, 120, 3, 217, https://doi.org/10.1016/0168-1176(92)85050-A
. [all data]
Moran and Ellison, 1988
Moran, S.; Ellison, G.B.,
Photoelectron Spectroscopy of Sulfur Ions,
J. Phys. Chem., 1988, 92, 7, 1794, https://doi.org/10.1021/j100318a021
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
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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