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 |
Vibrational and/or electronic energy levels
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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: Marilyn E. Jacox
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| S=O stretch | 1191 | Cs | Ar | IR | Stanbury, Holme, et al., 1986 | ||
| S-O stretch | 1093 | Cs | Ar | IR | Stanbury, Holme, et al., 1986 | ||
| S-O stretch | 1091 | Cs | Ar | IR | Stanbury, Holme, et al., 1986 | ||
| S-O stretch | 965 | Cs | Ar | IR | Stanbury, Holme, et al., 1986 | ||
| 585 | Cs | Ar | IR | Stanbury, Holme, et al., 1986 | |||
| 504 | Cs | Ar | IR | Stanbury, Holme, et al., 1986 | |||
| 474 | T Cs | Ar | IR | Stanbury, Holme, et al., 1986 | |||
Additional references: Jacox, 1994, page 223
Notes
| T | Tentative assignment or approximate value |
| Cs | Interaction with cesium |
References
Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, Notes
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]
Stanbury, Holme, et al., 1986
Stanbury, D.M.; Holme, T.A.; Kafafi, Z.H.; Margrave, J.L.,
AB initio calculations and matrix ftir studies of the sulfur trioxide radical anion,
Chem. Phys. Lett., 1986, 129, 2, 181, https://doi.org/10.1016/0009-2614(86)80193-2
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, References
- 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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