HSCH2 anion
- Formula: CH3S-
- Molecular weight: 47.100
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Gas phase ion energetics 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
Protonation reactions
CH3S- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 395.3 ± 2.6 | kcal/mol | G+TS | Kass, Guo, et al., 1990 | gas phase; Acidity between D2O and Me2NH. |
| ΔrH° | 391.6 ± 7.7 | kcal/mol | D-EA | Kass, Guo, et al., 1990 | gas phase; Between O2 and SO2. Explains bad anchor in McIver Jr. and Fukuda, 1982 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 388.2 ± 2.5 | kcal/mol | IMRB | Kass, Guo, et al., 1990 | gas phase; Acidity between D2O and Me2NH. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kass, Guo, et al., 1990
Kass, S.R.; Guo, H.-Z.; Dahlke, G.D.,
The Thiomethyl Anion: Formation, Reactivity, and Thermodynamic Properties,
J. Am. Soc. Mass Spectrom., 1990, 1, 5, 366, https://doi.org/10.1016/1044-0305(90)85016-F
. [all data]
McIver Jr. and Fukuda, 1982
McIver Jr.; Fukuda, E.K.,
Equilibrium Electron Affinities,
Lec. Notes in Chem., 1982, 31, 165. [all data]
Notes
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- 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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