SO radical anion
- Formula: OS-
- Molecular weight: 48.065
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Gas phase 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -24.8 ± 9.3 | kcal/mol | Acid | Polak, Fiala, et al., 1991 | ΔHf(AH) from data on HOS- |
| ΔfH°gas | -26.50 | kcal/mol | Endo | Refaey and Franklin, 1976 | I- + SO2 ->. |
| ΔfH°gas | -24.00 | kcal/mol | EIAE | Reese, Dibeter, et al., 1958 | From SO2 |
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
OS- + = HOS
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 346.9 ± 7.2 | kcal/mol | D-EA | Polak, Fiala, et al., 1991 | gas phase; ΔHf(AH) from data on HOS- |
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
OS- + = HOS
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 346.9 ± 7.2 | kcal/mol | D-EA | Polak, Fiala, et al., 1991 | gas phase; ΔHf(AH) from data on HOS- |
References
Go To: Top, Gas phase thermochemistry data, 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.
Polak, Fiala, et al., 1991
Polak, M.L.; Fiala, B.L.; Lineberger, W.C.; Ervin, K.M.,
The Ultraviolet Photoelectron Spectrum of SO-,
J. Chem. Phys., 1991, 94, 10, 6926, https://doi.org/10.1063/1.460223
. [all data]
Refaey and Franklin, 1976
Refaey, K.M.A.; Franklin, J.L.,
Endoergic ion-molecule-collision processes of negative ions. I. Collision of I- on SO2,
J. Chem. Phys., 1976, 65, 1994. [all data]
Reese, Dibeter, et al., 1958
Reese, R.M.; Dibeter, V.H.; Franklin, J.L.,
Electron impact studies of sulfur dioxide and sulfuryl fluoride,
J. Chem. Phys., 1958, 29, 880. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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