HSO4 anion
- Formula: HO4S-
- Molecular weight: 97.071
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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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 4.75 ± 0.10 | LPES | Wang, Nicholas, et al., 2000 | Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106 |
| 4.49686 | D-EA | Vigiano, Perry, et al., 1980 | I- + H2SO4 ->. |
Protonation reactions
HO4S- + =
By formula: HO4S- + H+ = H2O4S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1295. ± 23. | kJ/mol | D-EA | Wang, Nicholas, et al., 2000 | gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106 |
| ΔrH° | 1295. ± 11. | kJ/mol | G+TS | Viggiano, Henchman, et al., 1992 | gas phase |
| ΔrH° | 1325.5 | kJ/mol | Latt | House Jr. and Kemper, 1987 | gas phase; From lattice energy of NH4HSO4, with new PA(NH3) |
| ΔrH° | <1319.6 | kJ/mol | G+TS | Vigiano, Perry, et al., 1980 | gas phase; I- + H2SO4 ->. |
| ΔrH° | <1312. ± 8.4 | kJ/mol | EIAE | Adams, Smith, et al., 1986 | gas phase; From H2SO4 (AP 0eV) |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1265. ± 23. | kJ/mol | H-TS | Wang, Nicholas, et al., 2000 | gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106 |
| ΔrG° | 1265. ± 10. | kJ/mol | IMRB | Viggiano, Henchman, et al., 1992 | gas phase |
| ΔrG° | <1288.7 | kJ/mol | IMRB | Vigiano, Perry, et al., 1980 | gas phase; I- + H2SO4 ->. |
| ΔrG° | <1281. ± 9.6 | kJ/mol | H-TS | Adams, Smith, et al., 1986 | gas phase; From H2SO4 (AP 0eV) |
References
Go To: Top, 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.
Wang, Nicholas, et al., 2000
Wang, X.B.; Nicholas, J.B.; Wang, L.S.,
Photoelectron spectroscopy and theoretical calculations of SO4- and HSO4-: Confirmation of high electron affinities of SO4 and HSO4,
J. Phys. Chem. A, 2000, 104, 3, 504-508, https://doi.org/10.1021/jp992726r
. [all data]
Viggiano, Henchman, et al., 1992
Viggiano, A.A.; Henchman, M.J.; Dale, F.; Deakyne, C.A.; Paulson, J.F.,
Gas-Phase Reactions of Weak Bronsted Bases I-, PO3-, HSO4-, FSO3-, and CF3SO3- with Strong Bronsted Acids H2SO4, FSO3H, and CF3SO3H - A Quantitative Study,
J. Am. Chem. Soc., 1992, 114, 11, 4299, https://doi.org/10.1021/ja00037a039
. [all data]
Vigiano, Perry, et al., 1980
Vigiano, A.A.; Perry, R.A.; Albritton, D.L.; Ferguson, E.E.; Fehsenfeld, F.C.,
The role of H2SO4 in stratospheric negative ion chemistry,
J. Geophys. Res., 1980, 85, 4551. [all data]
House Jr. and Kemper, 1987
House Jr.; Kemper, K.A.,
Proton Affinities of Sulfate and Bisulfate Ions,
J. Thermal Anal., 1987, 32, 6, 1855, https://doi.org/10.1007/BF01913977
. [all data]
Adams, Smith, et al., 1986
Adams, N.G.; Smith, D.; Viggiano, A.A.; Paulson, J.F.; Henchman, M.J.,
Dissociative attachment reactions of electron with strong acid molecules,
J. Chem. Phys., 1986, 84, 6728. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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