HCOS anion
- Formula: CHOS-
- Molecular weight: 61.084
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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
CHOS- + = CH2OS
By formula: CHOS- + H+ = CH2OS
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 350.7 ± 3.1 | kcal/mol | G+TS | Kass and DePuy, 1985 | gas phase; This acidity value, and the HOF(HCOSH), appear to have been estimates, and should not be taken as experimental ones - JEB, 2006,G3MP2B3: 334 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 343.0 ± 3.0 | kcal/mol | IMRB | Kass and DePuy, 1985 | gas phase; This acidity value, and the HOF(HCOSH), appear to have been estimates, and should not be taken as experimental ones - JEB, 2006,G3MP2B3: 334 kcal/mol |
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
CHOS- + = CH2OS
By formula: CHOS- + H+ = CH2OS
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 350.7 ± 3.1 | kcal/mol | G+TS | Kass and DePuy, 1985 | gas phase; This acidity value, and the HOF(HCOSH), appear to have been estimates, and should not be taken as experimental ones - JEB, 2006,G3MP2B3: 334 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 343.0 ± 3.0 | kcal/mol | IMRB | Kass and DePuy, 1985 | gas phase; This acidity value, and the HOF(HCOSH), appear to have been estimates, and should not be taken as experimental ones - JEB, 2006,G3MP2B3: 334 kcal/mol |
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 and DePuy, 1985
Kass, S.R.; DePuy, C.H.,
Gas phase ion chemistry of azides. The generation of CH=N- and CH2=NCH2-,
J. Org. Chem., 1985, 50, 2874. [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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