HSCH2 anion
- Formula: CH3S-
- Molecular weight: 47.100
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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
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Individual 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. |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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: 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
Go To: Top, Reaction thermochemistry data, 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.
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
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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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