HS2
- Formula: HS2
- Molecular weight: 65.138
- CAS Registry Number: 14541-24-3
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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
De-protonation reactions
S2- + = HS2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1380. ± 15. | kJ/mol | D-EA | Moran and Ellison, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | >1441.8 | kJ/mol | IMRB | Goodings, Bohme, et al., 1986 | gas phase; S- deprotonates H2S, Sn- for n≥2, does not. |
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.
Moran and Ellison, 1988
Moran, S.; Ellison, G.B.,
Photoelectron Spectroscopy of Sulfur Ions,
J. Phys. Chem., 1988, 92, 7, 1794, https://doi.org/10.1021/j100318a021
. [all data]
Goodings, Bohme, et al., 1986
Goodings, J.M.; Bohme, D.K.; Elguindi, K.; Fox, A.,
Sulphur Anion Chemistry in Hydrocarbon Flames with H2S, OCS, and SO2 Additives,
Can. J. Chem., 1986, 64, 4, 689, https://doi.org/10.1139/v86-110
. [all data]
Notes
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- 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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