Sulfur trioxide anion
- Formula: O3S-
- Molecular weight: 80.064
- CAS Registry Number: 12210-38-7
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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 | -579.1 ± 9.6 | kJ/mol | R-EA | Gleason, 1987 | See also Dobrin, Boo, et al., 2000 |
| ΔfH°gas | -595.0 ± 7.5 | kJ/mol | TDEq | Rudny, Sidorov, et al., 1985 | EA is calculated at 298 K.; value altered from reference due to conversion from electron convention to ion convention |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gleason, 1987
Gleason, J.F.,
as cited in 95MIL/VIG, Ph.D. dissertation, Univ. of Colorado,, 1987. [all data]
Dobrin, Boo, et al., 2000
Dobrin, S.; Boo, B.H.; Alconcel, L.S.; Continetti, R.E.,
Photoelectron spectroscopy of SO3- at 355 and 266 nm,
J. Phys. Chem. A, 2000, 104, 46, 10695-10700, https://doi.org/10.1021/jp0025680
. [all data]
Rudny, Sidorov, et al., 1985
Rudny, E.B.; Sidorov, L.N.; Voyk, O.M.,
Heterolytic Dissociation of Potassium Sulfate in the Gas Phase and Heats of Formation for Trioxosulfate(1-), Tetraoxosulfate(1-), and Potassium Sulfate(KSO4-) Ions,
High Temp., 1985, 23, 238. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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