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HSO4 anion

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 as indicated in comments:
B - John E. Bartmess
M - 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- + Hydrogen cation = Sulfuric Acid

By formula: HO4S- + H+ = H2O4S

Quantity Value Units Method Reference Comment
DeltarH°1295. ± 23.kJ/molD-EAWang, Nicholas, et al., 2000gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106; B
DeltarH°1295. ± 11.kJ/molG+TSViggiano, Henchman, et al., 1992gas phase; B
DeltarH°1325.5kJ/molLattHouse Jr. and Kemper, 1987gas phase; From lattice energy of NH4HSO4, with new PA(NH3); B
DeltarH°<1319.6kJ/molG+TSVigiano, Perry, et al., 1980gas phase; I- + H2SO4 ->.; B
DeltarH°<1312. ± 8.4kJ/molEIAEAdams, Smith, et al., 1986gas phase; From H2SO4 (AP 0eV); B
Quantity Value Units Method Reference Comment
DeltarG°1265. ± 23.kJ/molH-TSWang, Nicholas, et al., 2000gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106; B
DeltarG°1265. ± 10.kJ/molIMRBViggiano, Henchman, et al., 1992gas phase; B
DeltarG°<1288.7kJ/molIMRBVigiano, Perry, et al., 1980gas phase; I- + H2SO4 ->.; B
DeltarG°<1281. ± 9.6kJ/molH-TSAdams, Smith, et al., 1986gas phase; From H2SO4 (AP 0eV); B

(HO4S- bullet 2Sulfuric Acid) + HO3S = (HO4S- bullet HO3S bullet 2Sulfuric Acid)

By formula: (HO4S- bullet 2H2O4S) + HO3S = (HO4S- bullet HO3S bullet 2H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°87.9kJ/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
DeltarH°75.kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
61.9250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
50.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M

(HO4S- bullet 2Sulfuric Acid) + Sulfuric Acid = (HO4S- bullet 3Sulfuric Acid)

By formula: (HO4S- bullet 2H2O4S) + H2O4S = (HO4S- bullet 3H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°87.0kJ/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
DeltarH°82.8kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
61.1250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
59.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

HO4S- + Hydrogen chloride = (HO4S- bullet Hydrogen chloride)

By formula: HO4S- + HCl = (HO4S- bullet HCl)

Quantity Value Units Method Reference Comment
DeltarH°65.7 ± 4.2kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M
Quantity Value Units Method Reference Comment
DeltarS°63.2J/mol*KN/ABohringer, Fahey, et al., 1984gas phase; switching reaction(HSO4-)H2O, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarG°46.9 ± 4.2kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M

HO4S- + HO3S = (HO4S- bullet HO3S)

By formula: HO4S- + HO3S = (HO4S- bullet HO3S)

Quantity Value Units Method Reference Comment
DeltarH°93.7kJ/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
67.8250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, «DELTA»rH>; M

(HO4S- bullet Water bullet 3Sulfuric Acid) + Water = (HO4S- bullet 2Water bullet 3Sulfuric Acid)

By formula: (HO4S- bullet H2O bullet 3H2O4S) + H2O = (HO4S- bullet 2H2O bullet 3H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°54.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
30.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet 2Sulfuric Acid) + Nitric acid = (HO4S- bullet Nitric acid bullet 2Sulfuric Acid)

By formula: (HO4S- bullet 2H2O4S) + HNO3 = (HO4S- bullet HNO3 bullet 2H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°66.5kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
43.1233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet 3Sulfuric Acid) + Nitric acid = (HO4S- bullet Nitric acid bullet 3Sulfuric Acid)

By formula: (HO4S- bullet 3H2O4S) + HNO3 = (HO4S- bullet HNO3 bullet 3H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°70.7kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
46.4233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet Nitric acid) + HO3S = (HO4S- bullet HO3S bullet Nitric acid)

By formula: (HO4S- bullet HNO3) + HO3S = (HO4S- bullet HO3S bullet HNO3)

Quantity Value Units Method Reference Comment
DeltarH°90.8kJ/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
64.9250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

(HO4S- bullet 2Sulfuric Acid) + Water = (HO4S- bullet Water bullet 2Sulfuric Acid)

By formula: (HO4S- bullet 2H2O4S) + H2O = (HO4S- bullet H2O bullet 2H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°50.6kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
26.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet 3Sulfuric Acid) + Water = (HO4S- bullet Water bullet 3Sulfuric Acid)

By formula: (HO4S- bullet 3H2O4S) + H2O = (HO4S- bullet H2O bullet 3H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°57.7kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
33.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet 4Sulfuric Acid) + Water = (HO4S- bullet Water bullet 4Sulfuric Acid)

By formula: (HO4S- bullet 4H2O4S) + H2O = (HO4S- bullet H2O bullet 4H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°58.2kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
34.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet Nitric acid) + Water = (HO4S- bullet Water bullet Nitric acid)

By formula: (HO4S- bullet HNO3) + H2O = (HO4S- bullet H2O bullet HNO3)

Quantity Value Units Method Reference Comment
DeltarH°54.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
30.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet Sulfuric Acid) + Sulfuric Acid = (HO4S- bullet 2Sulfuric Acid)

By formula: (HO4S- bullet H2O4S) + H2O4S = (HO4S- bullet 2H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°92.0kJ/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
66.1250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

(HO4S- bullet Nitric acid) + Nitric acid = (HO4S- bullet 2Nitric acid)

By formula: (HO4S- bullet HNO3) + HNO3 = (HO4S- bullet 2HNO3)

Quantity Value Units Method Reference Comment
DeltarH°77.0kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
52.7233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet 3Sulfuric Acid) + Sulfuric Acid = (HO4S- bullet 4Sulfuric Acid)

By formula: (HO4S- bullet 3H2O4S) + H2O4S = (HO4S- bullet 4H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°77.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
54.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet 4Sulfuric Acid) + Sulfuric Acid = (HO4S- bullet 5Sulfuric Acid)

By formula: (HO4S- bullet 4H2O4S) + H2O4S = (HO4S- bullet 5H2O4S)

Quantity Value Units Method Reference Comment
DeltarH°79.1kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
DeltarS°100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
54.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- bullet Water) + Water = (HO4S- bullet 2Water)

By formula: (HO4S- bullet H2O) + H2O = (HO4S- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
DeltarH°49.0 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
DeltarG°19.7 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

HO4S- + Hydrogen peroxide = (HO4S- bullet Hydrogen peroxide)

By formula: HO4S- + H2O2 = (HO4S- bullet H2O2)

Quantity Value Units Method Reference Comment
DeltarH°66.5 ± 4.2kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B
Quantity Value Units Method Reference Comment
DeltarG°44.8 ± 4.2kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B

HO4S- + Water = (HO4S- bullet Water)

By formula: HO4S- + H2O = (HO4S- bullet H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
DeltarG°24.7 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

HO4S- + Sulfur dioxide = (HO4S- bullet Sulfur dioxide)

By formula: HO4S- + O2S = (HO4S- bullet O2S)

Quantity Value Units Method Reference Comment
DeltarH°57.3kJ/molHPMSKeesee and Castleman, 1986gas phase; M
Quantity Value Units Method Reference Comment
DeltarS°109.J/mol*KHPMSKeesee and Castleman, 1986gas phase; M

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.

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]

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]

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]

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]

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]

Bohringer, Fahey, et al., 1984
Bohringer, H.; Fahey, D.W.; Fehsenfeld, F.C.; Ferguson, E.E., Bond energies of the molecules H2O, SO2, H2O2, and HCl to various atmospheric negative ions, J. Chem. Phys., 1984, 81, 2805. [all data]

Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P., Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I, J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019 . [all data]

Keesee and Castleman, 1986
Keesee, R.G.; Castleman, A.W., Jr., Thermochemical data on Ggs-phase ion-molecule association and clustering reactions, J. Phys. Chem. Ref. Data, 1986, 15, 1011. [all data]

Notes

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