HOSO2
- Formula: HO3S
- Molecular weight: 81.071
- CAS Registry Number: 32750-86-0
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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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
(HO4S- • 2) + HO3S = (HO4S- • HO3S • 2
)
By formula: (HO4S- • 2H2O4S) + HO3S = (HO4S- • HO3S • 2H2O4S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 21.0 | kcal/mol | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
| ΔrH° | 18. | kcal/mol | ATM | Arnold, Viggiano, et al., 1982 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25. | cal/mol*K | N/A | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
| ΔrS° | 25. | cal/mol*K | N/A | Arnold, Viggiano, et al., 1982 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 14.8 | 250. | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
| 12. | 233. | ATM | Arnold, Viggiano, et al., 1982 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
By formula: HO4S- + HO3S = (HO4S- • HO3S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 22.4 | kcal/mol | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25. | cal/mol*K | N/A | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 16.2 | 250. | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
(H2O4S- • ) + HO3S = (H2O4S- • HO3S •
)
By formula: (H2O4S- • H2O4S) + HO3S = (H2O4S- • HO3S • H2O4S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 22.1 | kcal/mol | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25. | cal/mol*K | N/A | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 15.9 | 250. | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
(HO4S- • ) + HO3S = (HO4S- • HO3S •
)
By formula: (HO4S- • HNO3) + HO3S = (HO4S- • HO3S • HNO3)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 21.7 | kcal/mol | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25. | cal/mol*K | N/A | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 15.5 | 250. | ATM | Arnold and Qiu, 1984 | gas phase; Entropy change calculated or estimated |
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.
Arnold and Qiu, 1984
Arnold, F.; Qiu, S.,
Upper Stratosphere Negative Ion Composition Measurements and Infrared Trace Gas Abundances,
Planet. Space Sci., 1984, 32, 2, 169, https://doi.org/10.1016/0032-0633(84)90151-X
. [all data]
Arnold, Viggiano, et al., 1982
Arnold, F.; Viggiano, A.A.; Schlager, H.,
Implications for Trace Gases and Aerosols of Large Negative Ions Clusters in the Stratosphere,
Nature, 1982, 297, 5865, 371, https://doi.org/10.1038/297371a0
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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