CH2=CHS anion
- Formula: C2H3S-
- Molecular weight: 59.111
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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
C2H3S- + =
By formula: C2H3S- + H+ = C2H4S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1455. ± 14. | kJ/mol | G+TS | Zhang and Grabowski, 1989 | gas phase; Between MeCO2H, EtCO2H (Acid = MeCH=S) |
| ΔrH° | 1461. ± 17. | kJ/mol | G+TS | Guillemin, Riague, et al., 2005 | gas phase; Acid: CH3CH=S |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1427. ± 13. | kJ/mol | IMRB | Zhang and Grabowski, 1989 | gas phase; Between MeCO2H, EtCO2H (Acid = MeCH=S) |
| ΔrG° | 1432. ± 16. | kJ/mol | IMRB | Guillemin, Riague, et al., 2005 | gas phase; Acid: CH3CH=S |
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.
Zhang and Grabowski, 1989
Zhang, L.; Grabowski, J.J.,
The Gas-Phase Basicity and H/D Exchange Characteristics of the Parent Thiocarbonyl Enolate Anions, J. Chem. Soc. Chem. Comm. 1819, 1989. [all data]
Guillemin, Riague, et al., 2005
Guillemin, J.C.; Riague, E.H.; Gal, J.F.; Maria, P.C.; Mo, O.; Yanez, M.,
Acidity trends in alpha,beta-unsaturated sulfur, selenium, and tellurium derivatives: Comparison with C-, Si-, Ge-, Sn-, N-, P-, As-, and Sb-containing analogues,
Chem. Eur. J., 2005, 11, 7, 2145-2153, https://doi.org/10.1002/chem.200400989
. [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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