HSO4 anion

Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, Ion clustering data, References, Notes

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
ΔrH°309.6 ± 5.4kcal/molD-EAWang, Nicholas, et al., 2000gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106; B
ΔrH°309.6 ± 2.6kcal/molG+TSViggiano, Henchman, et al., 1992gas phase; B
ΔrH°316.80kcal/molLattHouse Jr. and Kemper, 1987gas phase; From lattice energy of NH4HSO4, with new PA(NH3); B
ΔrH°<315.40kcal/molG+TSVigiano, Perry, et al., 1980gas phase; I- + H2SO4 ->.; B
ΔrH°<313.6 ± 2.0kcal/molEIAEAdams, Smith, et al., 1986gas phase; From H2SO4 (AP 0eV); B
Quantity Value Units Method Reference Comment
ΔrG°302.3 ± 5.5kcal/molH-TSWang, Nicholas, et al., 2000gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106; B
ΔrG°302.3 ± 2.5kcal/molIMRBViggiano, Henchman, et al., 1992gas phase; B
ΔrG°<308.00kcal/molIMRBVigiano, Perry, et al., 1980gas phase; I- + H2SO4 ->.; B
ΔrG°<306.2 ± 2.3kcal/molH-TSAdams, Smith, et al., 1986gas phase; From H2SO4 (AP 0eV); B

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

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

Quantity Value Units Method Reference Comment
ΔrH°21.0kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrH°18.kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
14.8250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
12.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°20.8kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrH°19.8kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
14.6250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
14.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.7 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M
Quantity Value Units Method Reference Comment
ΔrS°15.1cal/mol*KN/ABohringer, Fahey, et al., 1984gas phase; switching reaction(HSO4-)H2O, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°11.2 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M

HO4S- + HO3S = (HO4S- • HO3S)

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

Quantity Value Units Method Reference Comment
ΔrH°22.4kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
16.2250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.0kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.2233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
10.3233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°16.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
11.1233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°21.7kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
15.5250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°12.1kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.3233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.8kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.0233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.1233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.0kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.2233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°22.0kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
15.8250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°18.4kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
12.6233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°18.5kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

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

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

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

Quantity Value Units Method Reference Comment
ΔrH°18.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

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

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°11.7 ± 1.5kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
ΔrG°4.70 ± 0.30kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.9 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B
Quantity Value Units Method Reference Comment
ΔrG°10.7 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B

HO4S- + Water = (HO4S- • Water)

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrG°5.90 ± 0.30kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.7kcal/molHPMSKeesee and Castleman, 1986gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°26.1cal/mol*KHPMSKeesee and Castleman, 1986gas phase; M

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Ion clustering data, References, Notes

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 ± 0.10LPESWang, Nicholas, et al., 2000Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106
4.49686D-EAVigiano, Perry, et al., 1980I- + H2SO4 ->.

Protonation reactions

HO4S- + Hydrogen cation = Sulfuric Acid

By formula: HO4S- + H+ = H2O4S

Quantity Value Units Method Reference Comment
ΔrH°309.6 ± 5.4kcal/molD-EAWang, Nicholas, et al., 2000gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106
ΔrH°309.6 ± 2.6kcal/molG+TSViggiano, Henchman, et al., 1992gas phase
ΔrH°316.80kcal/molLattHouse Jr. and Kemper, 1987gas phase; From lattice energy of NH4HSO4, with new PA(NH3)
ΔrH°<315.40kcal/molG+TSVigiano, Perry, et al., 1980gas phase; I- + H2SO4 ->.
ΔrH°<313.6 ± 2.0kcal/molEIAEAdams, Smith, et al., 1986gas phase; From H2SO4 (AP 0eV)
Quantity Value Units Method Reference Comment
ΔrG°302.3 ± 5.5kcal/molH-TSWang, Nicholas, et al., 2000gas phase; Lit BDE seems too weak. This plus Viggiano, Henchman, et al., 1992 gives BDE=106
ΔrG°302.3 ± 2.5kcal/molIMRBViggiano, Henchman, et al., 1992gas phase
ΔrG°<308.00kcal/molIMRBVigiano, Perry, et al., 1980gas phase; I- + H2SO4 ->.
ΔrG°<306.2 ± 2.3kcal/molH-TSAdams, Smith, et al., 1986gas phase; From H2SO4 (AP 0eV)

Ion clustering data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.7 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M
Quantity Value Units Method Reference Comment
ΔrS°15.1cal/mol*KN/ABohringer, Fahey, et al., 1984gas phase; switching reaction(HSO4-)H2O, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°11.2 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°18.4kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
12.6233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°21.7kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
15.5250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.0kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.2233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

HO4S- + HO3S = (HO4S- • HO3S)

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

Quantity Value Units Method Reference Comment
ΔrH°22.4kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
16.2250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

HO4S- + Water = (HO4S- • Water)

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrG°5.90 ± 0.30kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°11.7 ± 1.5kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
ΔrG°4.70 ± 0.30kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.0kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.2233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.9 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B
Quantity Value Units Method Reference Comment
ΔrG°10.7 ± 1.0kcal/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..HSO4-, Bohringer, Fahey, et al., 1984; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
10.3233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°16.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
11.1233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°21.0kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrH°18.kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
14.8250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
12.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°12.1kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.3233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.8kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.0233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.1233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°22.0kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
15.8250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°20.8kcal/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrH°19.8kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
14.6250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
14.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°18.5kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

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

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

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

Quantity Value Units Method Reference Comment
ΔrH°18.9kcal/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

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

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

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

Quantity Value Units Method Reference Comment
ΔrH°13.7kcal/molHPMSKeesee and Castleman, 1986gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°26.1cal/mol*KHPMSKeesee and Castleman, 1986gas phase; M

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References