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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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess

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.

Reactions 201 to 250

(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
Deltar54.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.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

Hydrogen anion + Water = (Hydrogen anion bullet Water)

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

Quantity Value Units Method Reference Comment
Deltar74.1 ± 8.4kJ/molN/AMiller, Leopold, et al., 1985gas phase; EA given is Vertical Detachment Energy. Est. Adiabatic: 1.40 eV, 32.3 kcal/mol; B
Deltar72. ± 15.kJ/molTherPaulson and Henchman, 1984gas phase; HOH..HO- + H2 ->. See also Griffiths and Harris, 1989; B,M
Deltar57.74kJ/molCIDTPaulson and Henchman, 1982gas phase; B

(NO3 anion bullet Nitric acid) + Water = (NO3 anion bullet Water bullet Nitric acid)

By formula: (NO3- bullet HNO3) + H2O = (NO3- bullet H2O bullet HNO3)

Quantity Value Units Method Reference Comment
Deltar54.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.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
31.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(Nitric oxide anion bullet 2Water) + Water = (Nitric oxide anion bullet 3Water)

By formula: (NO- bullet 2H2O) + H2O = (NO- bullet 3H2O)

Quantity Value Units Method Reference Comment
Deltar74.5kJ/molPESEaton, Arnold, et al., 1990gas phase; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
23.308.PHPMSFrench, Hills, et al., 1973gas phase; M
25.293.HPMSMcAdams and Bone, 1972gas phase; M
25.296.FAHoward, Rundle, et al., 1971gas phase; M
25.296.SAMSPuckett and Teague, 1971gas phase; M

(Chlorine anion bullet 2Water) + Hydrogen chloride = (Chlorine anion bullet Hydrogen chloride bullet 2Water)

By formula: (Cl- bullet 2H2O) + HCl = (Cl- bullet HCl bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar54.4kJ/molHPMSUpschulte, Evans, et al., 1986gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980; M
Quantity Value Units Method Reference Comment
Deltar90.8J/mol*KHPMSUpschulte, Evans, et al., 1986gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980; M

(CH3O- bullet 2Water) + Water = (CH3O- bullet 3Water)

By formula: (CH3O- bullet 2H2O) + H2O = (CH3O- bullet 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar61.9kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar102.J/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
33.296.FAMacKay and Bohme, 1978gas phase; From thermochemical cycle,switching reaction(OH-)3H2O; Meot-Ner(Mautner), 1986; M

(Sodium ion (1+) bullet 3Water) + Carbon dioxide = (Sodium ion (1+) bullet Carbon dioxide bullet 3Water)

By formula: (Na+ bullet 3H2O) + CO2 = (Na+ bullet CO2 bullet 3H2O)

Quantity Value Units Method Reference Comment
Deltar30.kJ/molHPMSPeterson, Mark, et al., 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.J/mol*KN/APeterson, Mark, et al., 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar-1.kJ/molHPMSPeterson, Mark, et al., 1984gas phase; Entropy change calculated or estimated; M

(CH3O- bullet Water) + Water = (CH3O- bullet 2Water)

By formula: (CH3O- bullet H2O) + H2O = (CH3O- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar80.3kJ/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar106.J/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
34.296.FAMacKay and Bohme, 1978gas phase; From thermochemical cycle,switching reaction(OH-)2H2O; Meot-Ner(Mautner), 1986; 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
Deltar50.6kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.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
Deltar57.7kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.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
Deltar58.2kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.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
Deltar54.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar100.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

(C3H9O+ bullet Water) + Water = (C3H9O+ bullet 2Water)

By formula: (C3H9O+ bullet H2O) + H2O = (C3H9O+ bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar68.6kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar62.3kJ/molHPMSBeggs and Field, 1971gas phase; M
Quantity Value Units Method Reference Comment
Deltar101.J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar90.0J/mol*KHPMSBeggs and Field, 1971gas phase; M

(H2O4P- bullet Water) + Water = (H2O4P- bullet 2Water)

By formula: (H2O4P- bullet H2O) + H2O = (H2O4P- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar51.5kJ/molES/HPMSBlades, Ho, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.0J/mol*KES/HPMSBlades, Ho, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Deltar26.kJ/molES/HPMSBlades, Ho, et al., 1996gas phase; M
Deltar26.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

(C2H7O+ bullet 2Water) + Water = (C2H7O+ bullet 3Water)

By formula: (C2H7O+ bullet 2H2O) + H2O = (C2H7O+ bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar54.0kJ/molPHPMSTholman, Tonner, et al., 1994gas phase; M
Deltar57.7kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar95.0J/mol*KPHPMSTholman, Tonner, et al., 1994gas phase; M
Deltar106.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ bullet 2Water) + Water = (C2H7O+ bullet 3Water)

By formula: (C2H7O+ bullet 2H2O) + H2O = (C2H7O+ bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar56.1kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar59.4kJ/molPHPMSKebarle, 1977gas phase; M
Quantity Value Units Method Reference Comment
Deltar103.J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar110.J/mol*KPHPMSKebarle, 1977gas phase; M

(C2H7O+ bullet 3Water) + Water = (C2H7O+ bullet 4Water)

By formula: (C2H7O+ bullet 3H2O) + H2O = (C2H7O+ bullet 4H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar47.3kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar52.3kJ/molPHPMSKebarle, 1977gas phase; M
Quantity Value Units Method Reference Comment
Deltar95.4J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar110.J/mol*KPHPMSKebarle, 1977gas phase; M

(C2H7O+ bullet Water) + Water = (C2H7O+ bullet 2Water)

By formula: (C2H7O+ bullet H2O) + H2O = (C2H7O+ bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar78.2kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar80.3kJ/molPHPMSKebarle, 1977gas phase; M
Quantity Value Units Method Reference Comment
Deltar113.J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar120.J/mol*KPHPMSKebarle, 1977gas phase; M

H2O4P- + Water = (H2O4P- bullet Water)

By formula: H2O4P- + H2O = (H2O4P- bullet H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar58.6kJ/molES/HPMSBlades, Ho, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.9J/mol*KES/HPMSBlades, Ho, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Deltar32.kJ/molES/HPMSBlades, Ho, et al., 1996gas phase; M
Deltar32.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

(C4H6N+ bullet Water) + Water = (C4H6N+ bullet 2Water)

By formula: (C4H6N+ bullet H2O) + H2O = (C4H6N+ bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar43.5kJ/molPHPMSNicol, Sunner, et al., 1988gas phase; M
Deltar45.6kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Deltar94.6J/mol*KPHPMSNicol, Sunner, et al., 1988gas phase; M
Deltar99.2J/mol*KPHPMSHiraoka, Takimoto, et al., 1987gas phase; M

(MeOCH2CO2 anion bullet 2Water) + Water = (MeOCH2CO2 anion bullet 3Water)

By formula: (C3H5O3- bullet 2H2O) + H2O = (C3H5O3- bullet 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar49.4 ± 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
Deltar20.1 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(ClO2- bullet 2Water) + Water = (ClO2- bullet 3Water)

By formula: (ClO2- bullet 2H2O) + H2O = (ClO2- bullet 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar49.4 ± 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
Deltar20.1 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(CF3CO2 anion bullet Water) + Water = (CF3CO2 anion bullet 2Water)

By formula: (C2F3O2- bullet H2O) + H2O = (C2F3O2- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar49.0 ± 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
Deltar19.7 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(Chlorine anion bullet Sulfur dioxide bullet Water) + Sulfur dioxide = (Chlorine anion bullet 2Sulfur dioxide bullet Water)

By formula: (Cl- bullet O2S bullet H2O) + O2S = (Cl- bullet 2O2S bullet H2O)

Quantity Value Units Method Reference Comment
Deltar49.4kJ/molHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M
Quantity Value Units Method Reference Comment
Deltar109.J/mol*KHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
17.296.HPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M

(MeOCH2CO2 anion bullet Water) + Water = (MeOCH2CO2 anion bullet 2Water)

By formula: (C3H5O3- bullet H2O) + H2O = (C3H5O3- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar54.8 ± 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
Deltar25.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(ClO2- bullet Water) + Water = (ClO2- bullet 2Water)

By formula: (ClO2- bullet H2O) + H2O = (ClO2- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar54.8 ± 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
Deltar25.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(C2HF2O2- bullet Water) + Water = (C2HF2O2- bullet 2Water)

By formula: (C2HF2O2- bullet H2O) + H2O = (C2HF2O2- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar51.5 ± 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
Deltar22.2 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(MeCO2 anion bullet 2Acetic acid bullet Water) + Acetic acid = (MeCO2 anion bullet 3Acetic acid bullet Water)

By formula: (C2H3O2- bullet 2C2H4O2 bullet H2O) + C2H4O2 = (C2H3O2- bullet 3C2H4O2 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar52.3 ± 2.5kJ/molN/AMeot-ner, Elmore, et al., 1999gas phase; B
Deltar67.8 ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B
Quantity Value Units Method Reference Comment
Deltar24.0kJ/molTDAsMeot-ner, Elmore, et al., 1999gas phase; B
Deltar26. ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B

(MeCO2 anion bullet Acetic acid bullet Water) + Acetic acid = (MeCO2 anion bullet 2Acetic acid bullet Water)

By formula: (C2H3O2- bullet C2H4O2 bullet H2O) + C2H4O2 = (C2H3O2- bullet 2C2H4O2 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar82.4 ± 2.1kJ/molN/AMeot-ner, Elmore, et al., 1999gas phase; B
Deltar67.8 ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B
Quantity Value Units Method Reference Comment
Deltar45.23kJ/molTDAsMeot-ner, Elmore, et al., 1999gas phase; B
Deltar26. ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B

Cesium ion (1+) + Water = (Cesium ion (1+) bullet Water)

By formula: Cs+ + H2O = (Cs+ bullet H2O)

Quantity Value Units Method Reference Comment
Deltar49.8kJ/molDTMcKnight and Sawina, 1972gas phase; Entropy change is questionable; M
Deltar57.3kJ/molHPMSDzidic and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
Deltar59.8J/mol*KDTMcKnight and Sawina, 1972gas phase; Entropy change is questionable; M
Deltar81.2J/mol*KHPMSDzidic and Kebarle, 1970gas phase; M

(HS- bullet 2Water) + Water = (HS- bullet 3Water)

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar49.0kJ/molPHPMSSieck and Meot-ner, 1989gas phase; M
Deltar49.0kJ/molPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar98.3J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M
Deltar98.3J/mol*KPHPMSMeot-ner, 1988gas phase; M

(NH4+ bullet 4Water) + Water = (NH4+ bullet 5Water)

By formula: (H4N+ bullet 4H2O) + H2O = (H4N+ bullet 5H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar44.4kJ/molPHPMSMeot-Ner (Mautner), 1984gas phase; M
Deltar41.kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar113.J/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase; M
Deltar93.7J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar52.7kJ/molPHPMSSieck and Meot-ner, 1989gas phase; M
Deltar52.7kJ/molPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar85.4J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M
Deltar85.4J/mol*KPHPMSMeot-ner, 1988gas phase; M

(ICH2CO2 anion bullet 2Water) + Water = (ICH2CO2 anion bullet 3Water)

By formula: (C2H2IO2- bullet 2H2O) + H2O = (C2H2IO2- bullet 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar47.3 ± 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
Deltar18.0 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(Potassium ion (1+) bullet Benzene bullet Water) + Benzene = (Potassium ion (1+) bullet 2Benzene bullet Water)

By formula: (K+ bullet C6H6 bullet H2O) + C6H6 = (K+ bullet 2C6H6 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar60.2kJ/molHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+ 3H2O)C6H6, Searles and Kebarle, 1969; M
Quantity Value Units Method Reference Comment
Deltar126.J/mol*KHPMSSunner, Nishizawa, et al., 1981gas phase; From thermochemical cycle,switching reaction(K+ 3H2O)C6H6, Searles and Kebarle, 1969; M

(FCH2CO2 anion bullet 2Water) + Water = (FCH2CO2 anion bullet 3Water)

By formula: (C2H2FO2- bullet 2H2O) + H2O = (C2H2FO2- bullet 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar48.5 ± 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
Deltar19.2 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(benzoate anion bullet 2Water) + Water = (benzoate anion bullet 3Water)

By formula: (C7H5O2- bullet 2H2O) + H2O = (C7H5O2- bullet 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar48.1 ± 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
Deltar18.8 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(CH5O+ bullet 2Water) + Water = (CH5O+ bullet 3Water)

By formula: (CH5O+ bullet 2H2O) + H2O = (CH5O+ bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar59.0kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar61.9kJ/molPHPMSMeot-Ner (Mautner), 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar105.J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar108.J/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase; M

(CH5O+ bullet 3Water) + Water = (CH5O+ bullet 4Water)

By formula: (CH5O+ bullet 3H2O) + H2O = (CH5O+ bullet 4H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar48.5kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar48.5kJ/molPHPMSMeot-Ner (Mautner), 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar96.2J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar92.5J/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase; M

(MeCH(OH)CO2 anion bullet Water) + Water = (MeCH(OH)CO2 anion bullet 2Water)

By formula: (C3H5O3- bullet H2O) + H2O = (C3H5O3- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar51.5 ± 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
Deltar22.2 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(ICH2CO2 anion bullet Water) + Water = (ICH2CO2 anion bullet 2Water)

By formula: (C2H2IO2- bullet H2O) + H2O = (C2H2IO2- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar51.5 ± 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
Deltar22.2 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(FCH2CO2 anion bullet Water) + Water = (FCH2CO2 anion bullet 2Water)

By formula: (C2H2FO2- bullet H2O) + H2O = (C2H2FO2- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar54.0 ± 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
Deltar24.7 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(benzoate anion bullet Water) + Water = (benzoate anion bullet 2Water)

By formula: (C7H5O2- bullet H2O) + H2O = (C7H5O2- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar53.1 ± 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
Deltar23.8 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(CH5O+ bullet Water) + Water = (CH5O+ bullet 2Water)

By formula: (CH5O+ bullet H2O) + H2O = (CH5O+ bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar82.8kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar87.9kJ/molPHPMSMeot-Ner (Mautner), 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar114.J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar121.J/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase; M

(CH5O+ bullet 4Water) + Water = (CH5O+ bullet 5Water)

By formula: (CH5O+ bullet 4H2O) + H2O = (CH5O+ bullet 5H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar41.kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar38.kJ/molPHPMSMeot-Ner (Mautner), 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar86.6J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar77.4J/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase; M

(CH5O+ bullet 5Water) + Water = (CH5O+ bullet 6Water)

By formula: (CH5O+ bullet 5H2O) + H2O = (CH5O+ bullet 6H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar37.kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar39.kJ/molPHPMSMeot-Ner (Mautner), 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar84.5J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar92.9J/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase; M

(Hydroxyl anion bullet 7Water) + Water = (Hydroxyl anion bullet 8Water)

By formula: (HO- bullet 7H2O) + H2O = (HO- bullet 8H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar41.kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Deltar100.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
16.245.PHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

C2H7O+ + Water = (C2H7O+ bullet Water)

By formula: C2H7O+ + H2O = (C2H7O+ bullet H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar111.kJ/molPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar100.kJ/molPHPMSKebarle, 1977gas phase; M
Quantity Value Units Method Reference Comment
Deltar128.J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
Deltar110.J/mol*KPHPMSKebarle, 1977gas phase; 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
Deltar49.0 ± 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
Deltar19.7 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(Chlorine anion bullet 2Water) + Sulfur dioxide = (Chlorine anion bullet Sulfur dioxide bullet 2Water)

By formula: (Cl- bullet 2H2O) + O2S = (Cl- bullet O2S bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar59.0kJ/molHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M
Quantity Value Units Method Reference Comment
Deltar81.2J/mol*KHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
35.296.HPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; 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.

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]

Miller, Leopold, et al., 1985
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C., The Photoelectron Spectrum of H3O-, Bull. Am. Phys. Soc., 1985, 30, 880. [all data]

Paulson and Henchman, 1984
Paulson, J.F.; Henchman, M.J., On the Formation of H3O- in an Ion-Molecule Reaction in Ionic Processes in the Gas Phase,, M.A. Almoster Ferreira, Ed., Reidel, Dordrecht,, 1984, 331. [all data]

Griffiths and Harris, 1989
Griffiths, W.J.; Harris, F.M., Amended Interpretation of the Results Obtained in an Experimental Investigation of the Structure of the H3O- Ion, Int. J. Mass Spectrom. Ion Proc., 1989, 87, 1, R25, https://doi.org/10.1016/0168-1176(89)80017-5 . [all data]

Paulson and Henchman, 1982
Paulson, J.F.; Henchman, M.J., The Hydrated Negative Hydrogen Ion, Bull. Am. Phys. Soc., 1982, 27, 108. [all data]

Eaton, Arnold, et al., 1990
Eaton, J.G.; Arnold, S.T.; Bowen, K.H., The Negative Ion Photoelectron (Photodetachment) Spectra of NO-(H2O)n=1,2, Int. J. Mass Spectrom. Ion Proc., 1990, 102, 303, https://doi.org/10.1016/0168-1176(90)80066-C . [all data]

French, Hills, et al., 1973
French, M.A.; Hills, L.P.; Kebarle, P., Kinetics and Temperature Dependence of the Hydration of the Nitrosonium Ion in the Gas Phase, Can. J. Chem., 1973, 51, 3, 456, https://doi.org/10.1139/v73-068 . [all data]

McAdams and Bone, 1972
McAdams, M.J.; Bone, L.I., Reactions of NO+ with H2O in a Photoionization Mass Spectrometer, J. Chem. Phys., 1972, 57, 5, 2173, https://doi.org/10.1063/1.1678549 . [all data]

Howard, Rundle, et al., 1971
Howard, C.J.; Rundle, H.W.; Kaufman, F., Water Cluster Formation Rates of NO+ in He, Ar, N2, and O2 at 296 K, J. Chem. Phys., 1971, 55, 10, 4772, https://doi.org/10.1063/1.1675576 . [all data]

Puckett and Teague, 1971
Puckett, L.J.; Teague, A.W., Production of H3O+.nH2O from NO+ Precursor in NO - H2O Gas Mixtures, J. Chem. Phys., 1971, 54, 6, 2564, https://doi.org/10.1063/1.1675213 . [all data]

Upschulte, Evans, et al., 1986
Upschulte, B.L.; Evans, D.H.; Keesee, R.G.; Castleman, A.W., Unpublished results, referred to in Keesee and Castleman, 1986, 1986. [all data]

Keesee and Castleman, 1980
Keesee, R.G.; Castleman, A.W., Jr., Gas phase studies of hydration complexes of Cl- and I- and comparison to electrostatic calculations in the gas phase, Chem. Phys. Lett., 1980, 74, 139. [all data]

Meot-Ner(Mautner), 1986
Meot-Ner(Mautner), M., Comparative Stabilities of Cationic and Anionic Hydrogen-Bonded Networks. Mixed Clusters of Water-Methanol, J. Am. Chem. Soc., 1986, 108, 20, 6189, https://doi.org/10.1021/ja00280a014 . [all data]

MacKay and Bohme, 1978
MacKay, G.I.; Bohme, D.K., Proton-Transfer Reactions in Nitromethane at 297K, Int. J. Mass Spectrom. Ion Phys., 1978, 26, 4, 327, https://doi.org/10.1016/0020-7381(78)80052-7 . [all data]

Peterson, Mark, et al., 1984
Peterson, K.I.; Mark, T.D.; Keesee, R.G.; Castleman, A.W., Thermochemical Properties of Gas - Phase Mixed Clusters: H2O/CO2 with Na+, J. Phys. Chem., 1984, 88, 13, 2880, https://doi.org/10.1021/j150657a042 . [all data]

Hiraoka, Takimoto, et al., 1986
Hiraoka, K.; Takimoto, H.; Morise, K., Gas-Phase Hydration Reactions of Protonated Alcohols. Energetics and Bulk Hydration of Cluster Ions, J. Am. Chem. Soc., 1986, 108, 19, 5683, https://doi.org/10.1021/ja00279a004 . [all data]

Beggs and Field, 1971
Beggs, D.P.; Field, F.H., Reversible Reactions of Gas Phase Ions. II. Propane-Water System, J. Am. Chem. Soc., 1971, 93, 7, 1576, https://doi.org/10.1021/ja00736a002 . [all data]

Blades, Ho, et al., 1996
Blades, A.T.; Ho, Y.; Kebarle, P., Hydration in the Gas Phase of the Orthophosphate Anion, (HO)2PO2-, and the Conversion of the Orthophosphate to teh Metaphosphate, PO3-, Ion, J. Am. Chem. Soc., 1996, 118, 1, 196, https://doi.org/10.1021/ja952169w . [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]

Tholman, Tonner, et al., 1994
Tholman, D.; Tonner, D.S.; McMahon, T.B., Spontaneous Unimolecular Dissociation of Small Cluster Ions, (H3O)+(L)n and Cl-(H2O)n (n = 2-4), under Fourier Transform Ion Cyclotron Resonance Conditions, J. Phys. Chem., 1994, 98, 8, 2002, https://doi.org/10.1021/j100059a002 . [all data]

Hiraoka, Grimsrud, et al., 1974
Hiraoka, K.; Grimsrud, E.P.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Hydrogen Ion in Water - Dimethyl Ether and Methanol - Dimethyl Ether Mixtures, J. Am. Chem. Soc., 1974, 96, 11, 3359, https://doi.org/10.1021/ja00818a004 . [all data]

Kebarle, 1977
Kebarle, P., Ion Thermochemistry and Solvation from Gas Phase Ion Equilibria, Ann. Rev. Phys. Chem., 1977, 28, 1, 445, https://doi.org/10.1146/annurev.pc.28.100177.002305 . [all data]

Nicol, Sunner, et al., 1988
Nicol, G.; Sunner, J.; Kebarle, P., Kinetics and Thermodynamics of Protonation Reactions: H3O+(H2O)h + B = BH+(H2O)b + (h - b +1)H2O, where B is a Nitrogen, Oxygen or Carbon Base, Int. J. Mass Spectrom. Ion Proc., 1988, 84, 1-2, 135, https://doi.org/10.1016/0168-1176(88)83032-5 . [all data]

Hiraoka, Takimoto, et al., 1987
Hiraoka, K.; Takimoto, H.; Yamabe, S., Stabilities and Structures in Cluster Ions of Five-Membered Heterocyclic Compounds Containing O, N and S Atoms, J. Am. Chem. Soc., 1987, 109, 24, 7346, https://doi.org/10.1021/ja00258a018 . [all data]

Upschulte, Schelling, et al., 1984
Upschulte, B.L.; Schelling, F.J.; Keesee, R.G.; Castleman, A.W., Thermochemical Properties of Gas Phase Mixed Clusters: Water and Sulfur Dioxide with Na+ and Cl-, Chem. Phys. Lett., 1984, 111, 4-5, 389, https://doi.org/10.1016/0009-2614(84)85526-8 . [all data]

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Meot-ner, M.; Elmore, D.E.; Scheiner, S., Ionic Hydrogen Bond Effects on the Acidities, Basicities, Solvation, Solvent Bridging and Self-assembly of Carboxylic Groups, J. Am. Chem. Soc., 1999, 121, 33, 7625, https://doi.org/10.1021/ja982173i . [all data]

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McKnight, L.G.; Sawina, J.M., Drift Velocities and Interactions of Cs+ Ions with Atmospheric Gases, J. Chem. Phys., 1972, 57, 12, 5156, https://doi.org/10.1063/1.1678205 . [all data]

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Sieck and Meot-ner, 1989
Sieck, L.W.; Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 8. RS-..HOR Bond Strengths. Correlation with Acidities., J. Phys. Chem., 1989, 93, 4, 1586, https://doi.org/10.1021/j100341a079 . [all data]

Meot-ner, 1988
Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 6. Interaction Energies of the Acetate Ion with Organic Molecules. Comparison of CH3COO- with Cl-, CN-, and SH-, J. Am. Chem. Soc., 1988, 110, 12, 3854, https://doi.org/10.1021/ja00220a022 . [all data]

Meot-Ner (Mautner), 1984
Meot-Ner (Mautner), M., The Ionic Hydrogen Bond and Ion Solvation. 2. Hydration of Onium Ions by 1 - 7 H2O Molecules. Relations Between Monomolecular, Specific and Bulk Hydration, J. Am. Chem. Soc., 1984, 106, 5, 1265, https://doi.org/10.1021/ja00317a016 . [all data]

Payzant, Cunningham, et al., 1973
Payzant, J.D.; Cunningham, A.J.; Kebarle, P., Gas - Phase Solvation of Ammonium Ion by NH3 and H2O and Stabilities of Mixed Clusters NH4+(NH3)n(H2O)w, Can. J. Chem., 1973, 51, 19, 3242, https://doi.org/10.1139/v73-485 . [all data]

Sunner, Nishizawa, et al., 1981
Sunner, J.; Nishizawa, K.; Kebarle, P., Ion - Solvent Molecule Interactions in the Gas Phase. Potassium Ion and Benzene, J. Phys. Chem., 1981, 85, 13, 1814, https://doi.org/10.1021/j150613a011 . [all data]

Searles and Kebarle, 1969
Searles, S.K.; Kebarle, P., Hydration of the Potassium Ion in the Gas Phase: Enthalpies and Entropies of Hydration Reactions K+(H2O)n-1 + H2O = K+(H2O)n for n=1 to n=6, Can. J. Chem., 1969, 47, 14, 2619, https://doi.org/10.1139/v69-432 . [all data]

Meot-Ner (Mautner) and Speller, 1986
Meot-Ner (Mautner), M.; Speller, C.V., The Filling of Solvent Shells in Cluster Ions: Thermochemical Criteria nd the Effects of Isomeric Clusters, J. Phys. Chem., 1986, 90, 25, 6616, https://doi.org/10.1021/j100283a006 . [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, References