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Reaction thermochemistry data

Go To: Top, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
RCD - Robert C. Dunbar

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 451 to 500

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

By formula: (CH5O+ bullet 2H2O bullet CH4O) + H2O = (CH5O+ bullet 3H2O bullet CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar11.2kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar23.0cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

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

By formula: (CH5O+ bullet 2H2O) + CH4O = (CH5O+ bullet CH4O bullet 2H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
Deltar18.0kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.3cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

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

By formula: (CH5O+ bullet 3H2O bullet CH4O) + H2O = (CH5O+ bullet 4H2O bullet CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.4kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar23.5cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

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

By formula: (CH5O+ bullet H2O bullet 3CH4O) + H2O = (CH5O+ bullet 2H2O bullet 3CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar8.6kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar19.0cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

(CN- bullet 2Water bullet Hydrogen cyanide) + Water = (CN- bullet 3Water bullet Hydrogen cyanide)

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

Quantity Value Units Method Reference Comment
Deltar8.5 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B
Quantity Value Units Method Reference Comment
Deltar2.5 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B

(Potassium ion (1+) bullet 2Water) + Methyl Alcohol = (Potassium ion (1+) bullet Methyl Alcohol bullet 2Water)

By formula: (K+ bullet 2H2O) + CH4O = (K+ bullet CH4O bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar16.6kcal/molHPMSEvans and Keesee, 1991gas phase; switching reaction,n(K+)3H2O; M
Quantity Value Units Method Reference Comment
Deltar30.9cal/mol*KHPMSEvans and Keesee, 1991gas phase; switching reaction,n(K+)3H2O; M

(Chlorine anion bullet Water bullet Methyl Alcohol) + Water = (Chlorine anion bullet 2Water bullet Methyl Alcohol)

By formula: (Cl- bullet H2O bullet CH4O) + H2O = (Cl- bullet 2H2O bullet CH4O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.4kcal/molHPMSEvans and Keesee, 1991gas phase; M
Quantity Value Units Method Reference Comment
Deltar15.5cal/mol*KHPMSEvans and Keesee, 1991gas phase; M

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

By formula: (CH3O- bullet H2O bullet CH4O) + H2O = (CH3O- bullet 2H2O bullet CH4O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar15.2kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar27.7cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

(CH2N+ bullet Hydrogen cyanide) + Water = (CH2N+ bullet Water bullet Hydrogen cyanide)

By formula: (CH2N+ bullet CHN) + H2O = (CH2N+ bullet H2O bullet CHN)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar20.1kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar20.8cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

Tetrafluoromethane + 2Water = Carbon dioxide + 4hydrogen fluoride

By formula: CF4 + 2H2O = CO2 + 4HF

Quantity Value Units Method Reference Comment
Deltar-41.5 ± 1.0kcal/molCmGood, Scott, et al., 1956gas phase; HF has 10 moles H2O, see Scott, Good, et al., 1955; ALS
Deltar-41.5 ± 1.0kcal/molCmScott, Good, et al., 1955gas phase; Heat of hydrolysis; ALS

(C2H4N+ bullet Acetonitrile) + Water = (C2H4N+ bullet Water bullet Acetonitrile)

By formula: (C2H4N+ bullet C2H3N) + H2O = (C2H4N+ bullet H2O bullet C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar15.9kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar24.6cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n; M

(NH4+ bullet 2Ammonia) + Water = (NH4+ bullet Water bullet 2Ammonia)

By formula: (H4N+ bullet 2H3N) + H2O = (H4N+ bullet H2O bullet 2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.4kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar24.6cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 2Water) + Ammonia = (NH4+ bullet Ammonia bullet 2Water)

By formula: (H4N+ bullet 2H2O) + H3N = (H4N+ bullet H3N bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar18.2kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar30.3cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 3Ammonia) + Water = (NH4+ bullet Water bullet 3Ammonia)

By formula: (H4N+ bullet 3H3N) + H2O = (H4N+ bullet H2O bullet 3H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar11.7kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.9cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 3Water) + Ammonia = (NH4+ bullet Ammonia bullet 3Water)

By formula: (H4N+ bullet 3H2O) + H3N = (H4N+ bullet H3N bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar17.3kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar35.1cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(C12H30N2 bullet 4Water) + Water = (C12H30N2 bullet 5Water)

By formula: (C12H30N2 bullet 4H2O) + H2O = (C12H30N2 bullet 5H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar5.1kcal/molES/HPMSBlades, Klassen, et al., 1996gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
5.5293.ES/HPMSKlassen, Blades, et al., 1995gas phase; M

(C12H30N2 bullet 5Water) + Water = (C12H30N2 bullet 6Water)

By formula: (C12H30N2 bullet 5H2O) + H2O = (C12H30N2 bullet 6H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar4.4kcal/molES/HPMSBlades, Klassen, et al., 1996gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
5.0293.ES/HPMSKlassen, Blades, et al., 1995gas phase; M

(NH4+ bullet 2Water bullet Sulfur dioxide) + Water = (NH4+ bullet 3Water bullet Sulfur dioxide)

By formula: (H4N+ bullet 2H2O bullet O2S) + H2O = (H4N+ bullet 3H2O bullet O2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar5.2kcal/molHPMSBanic and Iribarne, 1985gas phase; From thermochemical cycle,switching reaction, electric fields; M

(CH2N+ bullet 2Water) + Water = (CH2N+ bullet 3Water)

By formula: (CH2N+ bullet 2H2O) + H2O = (CH2N+ bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar17.2kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.2cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

C3H9S+ + Water = (C3H9S+ bullet Water)

By formula: C3H9S+ + H2O = (C3H9S+ bullet H2O)

Quantity Value Units Method Reference Comment
Deltar12.6kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar23.cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
4.6347.PHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

C3H9S+ + Water = (C3H9S+ bullet Water)

By formula: C3H9S+ + H2O = (C3H9S+ bullet H2O)

Quantity Value Units Method Reference Comment
Deltar14.4kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar23.cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
4.1446.PHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

C3H9S+ + Water = (C3H9S+ bullet Water)

By formula: C3H9S+ + H2O = (C3H9S+ bullet H2O)

Quantity Value Units Method Reference Comment
Deltar13.9kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar23.cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
4.3418.PHPMSMeot-Ner (Mautner) and Sieck, 1985gas phase; M

(NH4+ bullet Ammonia) + Water = (NH4+ bullet Water bullet Ammonia)

By formula: (H4N+ bullet H3N) + H2O = (H4N+ bullet H2O bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.9kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar20.3cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet Water bullet Sulfur dioxide) + Water = (NH4+ bullet 2Water bullet Sulfur dioxide)

By formula: (H4N+ bullet H2O bullet O2S) + H2O = (H4N+ bullet 2H2O bullet O2S)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar7.4kcal/molHPMSBanic and Iribarne, 1985gas phase; From thermochemical cycle,switching reaction, electric fields; M

(NH4+ bullet Water) + Ammonia = (NH4+ bullet Ammonia bullet Water)

By formula: (H4N+ bullet H2O) + H3N = (H4N+ bullet H3N bullet H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar18.4kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar23.0cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(Cobalt ion (1+) bullet Water) + Hydrogen = (Cobalt ion (1+) bullet Hydrogen bullet Water)

By formula: (Co+ bullet H2O) + H2 = (Co+ bullet H2 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar24.7cal/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
19.8 (+0.6,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

(CH2N+ bullet Water) + Water = (CH2N+ bullet 2Water)

By formula: (CH2N+ bullet H2O) + H2O = (CH2N+ bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar21.4kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar25.3cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

CO3- + Water = (CO3- bullet Water)

By formula: CO3- + H2O = (CO3- bullet H2O)

Quantity Value Units Method Reference Comment
Deltar14.1kcal/molHPMSKeesee, Lee, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Deltar25.2cal/mol*KHPMSKeesee, Lee, et al., 1979gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
6.7296.FAFehsenfeld and Ferguson, 1974gas 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
Deltar10.2kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar19.0cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; 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
Deltar15.3kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.3cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C6H12NO3+ bullet 2Water) + Water = (C6H12NO3+ bullet 3Water)

By formula: (C6H12NO3+ bullet 2H2O) + H2O = (C6H12NO3+ bullet 3H2O)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Deltar9.5kcal/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar21.5cal/mol*KPHPMSMeot-Ner, 1984gas phase; M

(C6H12NO3+ bullet Water) + Water = (C6H12NO3+ bullet 2Water)

By formula: (C6H12NO3+ bullet H2O) + H2O = (C6H12NO3+ bullet 2H2O)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Deltar12.4kcal/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar26.0cal/mol*KPHPMSMeot-Ner, 1984gas phase; M

(C4H11O2+ bullet Ethane, 1,2-dimethoxy-) + Water = (C4H11O2+ bullet Water bullet Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ bullet C4H10O2) + H2O = (C4H11O2+ bullet H2O bullet C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar13.7kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.4cal/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

(C6H15O3+ bullet Ethane, 1,1'-oxybis[2-methoxy-) + Water = (C6H15O3+ bullet Water bullet Ethane, 1,1'-oxybis[2-methoxy-)

By formula: (C6H15O3+ bullet C6H14O3) + H2O = (C6H15O3+ bullet H2O bullet C6H14O3)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar20.6kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Deltar34.7cal/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

(CH5O+ bullet 3Methyl Alcohol) + Water = (CH5O+ bullet Water bullet 3Methyl Alcohol)

By formula: (CH5O+ bullet 3CH4O) + H2O = (CH5O+ bullet H2O bullet 3CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.1kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar27.0cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

(CH5O+ bullet 4Methyl Alcohol) + Water = (CH5O+ bullet Water bullet 4Methyl Alcohol)

By formula: (CH5O+ bullet 4CH4O) + H2O = (CH5O+ bullet H2O bullet 4CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.0kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar23.8cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

(Cobalt ion (1+) bullet Water) + Methane = (Cobalt ion (1+) bullet Methane bullet Water)

By formula: (Co+ bullet H2O) + CH4 = (Co+ bullet CH4 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar27.0cal/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(525 K); M

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
25.9 (+0.7,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(525 K); M

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

By formula: (CH3O- bullet 2CH4O) + H2O = (CH3O- bullet H2O bullet 2CH4O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar13.8kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar25.0cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

C10H21O5+ + Water = (C10H21O5+ bullet Water)

By formula: C10H21O5+ + H2O = (C10H21O5+ bullet H2O)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Deltar21.6kcal/molPHPMSSharma and Kebarle, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar33.0cal/mol*KPHPMSSharma and Kebarle, 1984gas phase; M

C12H25O6+ + Water = (C12H25O6+ bullet Water)

By formula: C12H25O6+ + H2O = (C12H25O6+ bullet H2O)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Deltar26.4kcal/molPHPMSSharma and Kebarle, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar34.6cal/mol*KPHPMSSharma and Kebarle, 1984gas phase; M

(C4H9+ bullet 3Water) + Water = (C4H9+ bullet 4Water)

By formula: (C4H9+ bullet 3H2O) + H2O = (C4H9+ bullet 4H2O)

Quantity Value Units Method Reference Comment
Deltar14.kcal/molPHPMSHiraoka and Kebarle, 1977gas phase; may form ((CH3)3COH2+) 3H2O; M
Quantity Value Units Method Reference Comment
Deltar28.7cal/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; may form ((CH3)3COH2+) 3H2O; M

(CH5O+ bullet Methyl Alcohol) + Water = (CH5O+ bullet Water bullet Methyl Alcohol)

By formula: (CH5O+ bullet CH4O) + H2O = (CH5O+ bullet H2O bullet CH4O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar18.4kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar25.7cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

(Chlorine anion bullet Methyl Alcohol) + Water = (Chlorine anion bullet Water bullet Methyl Alcohol)

By formula: (Cl- bullet CH4O) + H2O = (Cl- bullet H2O bullet CH4O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.9kcal/molHPMSEvans and Keesee, 1991gas phase; M
Quantity Value Units Method Reference Comment
Deltar16.9cal/mol*KHPMSEvans and Keesee, 1991gas phase; M

(CH3O- bullet Methyl Alcohol) + Water = (CH3O- bullet Water bullet Methyl Alcohol)

By formula: (CH3O- bullet CH4O) + H2O = (CH3O- bullet H2O bullet CH4O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar17.8kcal/molPHPMSMeot-Ner(Mautner), 1986gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar25.9cal/mol*KPHPMSMeot-Ner(Mautner), 1986gas phase; n; M

C3H5O+ + Water = (C3H5O+ bullet Water)

By formula: C3H5O+ + H2O = (C3H5O+ bullet H2O)

Quantity Value Units Method Reference Comment
Deltar23.7kcal/molPHPMSDavidson, Meza-Hojer, et al., 1979gas phase; forms protonated propanoic acid; M
Quantity Value Units Method Reference Comment
Deltar35.1cal/mol*KPHPMSDavidson, Meza-Hojer, et al., 1979gas phase; forms protonated propanoic acid; M

(C3H10N+ bullet 2Methylamine, N,N-dimethyl-) + Water = (C3H10N+ bullet Water bullet 2Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ bullet 2C3H9N) + H2O = (C3H10N+ bullet H2O bullet 2C3H9N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar8.9kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M
Quantity Value Units Method Reference Comment
Deltar24.3cal/mol*KPHPMSEl-Shall, Daly, et al., 1992gas phase; M

(Chlorine anion bullet 2Methyl Alcohol) + Water = (Chlorine anion bullet Water bullet 2Methyl Alcohol)

By formula: (Cl- bullet 2CH4O) + H2O = (Cl- bullet H2O bullet 2CH4O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar7.7kcal/molHPMSEvans and Keesee, 1991gas phase; M
Quantity Value Units Method Reference Comment
Deltar11.cal/mol*KHPMSEvans and Keesee, 1991gas phase; M

(Lithium ion (1+) bullet 5Water) + Water = (Lithium ion (1+) bullet 6Water)

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

Quantity Value Units Method Reference Comment
Deltar14.3 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar12.1kcal/molHPMSDzidic and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
Deltar32.0cal/mol*KHPMSDzidic and Kebarle, 1970gas phase; M

Ethane, 1,1,1-trimethoxy- + Water = 2Methyl Alcohol + Acetic acid, methyl ester

By formula: C5H12O3 + H2O = 2CH4O + C3H6O2

Quantity Value Units Method Reference Comment
Deltar-6.426 ± 0.007kcal/molCmWiberg, Martin, et al., 1985liquid phase; solvent: Aqueous dioxane; ALS
Deltar-6.4641 ± 0.0072kcal/molCmWiberg and Squires, 1979liquid phase; solvent: Water; Hydrolysis; ALS

(C4H9+ bullet 2Water) + Water = (C4H9+ bullet 3Water)

By formula: (C4H9+ bullet 2H2O) + H2O = (C4H9+ bullet 3H2O)

Quantity Value Units Method Reference Comment
Deltar17.7kcal/molPHPMSHiraoka and Kebarle, 1977, 2gas phase; may form ((CH3)3COH2+) 2H2O; M
Quantity Value Units Method Reference Comment
Deltar29.cal/mol*KPHPMSHiraoka and Kebarle, 1977, 2gas phase; may form ((CH3)3COH2+) 2H2O; 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.

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]

Meot-Ner (Mautner) M. and Speller, 1989
Meot-Ner (Mautner) M.; Speller, C.V., Multicomponent Cluster Ions. 2. Comparative Stabilities of Cationic and Anionic Hydrogen Bonded Networks. Mixed Clusters of Water and Hydrogen Cyanide, J. Phys. Chem., 1989, 93, 9, 3663, https://doi.org/10.1021/j100346a058 . [all data]

Evans and Keesee, 1991
Evans, D.H.; Keesee, R.G., Thermodynamics of Gas-Phase Mixed-Solvent Cluster Ions - Water and Methanol on K+ and Cl- and Comparison to Liquid Solutions, J. Phys. Chem., 1991, 95, 9, 3558, https://doi.org/10.1021/j100162a024 . [all data]

Meot-Ner (Mautner) and Speller, 1989
Meot-Ner (Mautner), M.; Speller, C.V., Multicomponent Cluster Ions.3. Comparative Stabilities of Cationic and Anionic Hydrogen Bonded Networks. Mixed Clusters of Water and Hydrogen Cyanide, J. Phys. Chem., 1989, 93, 6580. [all data]

Good, Scott, et al., 1956
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Scott, Good, et al., 1955
Scott, D.W.; Good, W.D.; Waddington, G., Heat of formation of tetrafluoromethane from combustion calorimetry of polytetrafluoroethylene, J. Am. Chem. Soc., 1955, 77, 245-246. [all data]

Deakyne, Meot-Ner (Mautner), et al., 1986
Deakyne, C.A.; Meot-Ner (Mautner), M.; Campbell, C.L.; Hughes, M.G.; Murphy, S.P., Multicomponent Cluster Ions. 1. The Acetonitrile - Water System, J. Chem. Phys., 1986, 90, 4648. [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]

Blades, Klassen, et al., 1996
Blades, A.T.; Klassen, J.S.; Kebarle, P., Determination of Ion-Solvent Equilibria in the Gas Phase. Hydration of Diprotonated Diamines and Bis(trimethylammonium) Alkanes, J. Am. Chem. Soc., 1996, 118, 49, 12437, https://doi.org/10.1021/ja962641t . [all data]

Klassen, Blades, et al., 1995
Klassen, J.S.; Blades, A.T.; Kebarle, P., Determinations of Ion-Molecule Equilibria Involving Ions Produced by Electrospray. Hydration of Protonated Amines, Diamines, and Some Small Peptides, J. Phys. Chem., 1995, 99, 42, 15509, https://doi.org/10.1021/j100042a027 . [all data]

Banic and Iribarne, 1985
Banic, C.M.; Iribarne, J.V., Equilibrium Constants for Clustering of Neutral Molecules about Gaseous Ions, J. Chem. Phys., 1985, 83, 12, 6432, https://doi.org/10.1063/1.449543 . [all data]

Meot-Ner (Mautner) and Sieck, 1985
Meot-Ner (Mautner), M.; Sieck, L.W., The Ionic Hydrogen Bond and Ion Solvation. 4. SH+ O and NH+ S Bonds. Correlations with Proton Affinity. Mutual Effects of Weak and Strong Ligands in Mixed Clusters, J. Phys. Chem., 1985, 89, 24, 5222, https://doi.org/10.1021/j100270a021 . [all data]

Kemper, Bushnell, et al., 1993
Kemper, P.R.; Bushnell, J.; Von Koppen, P.; Bowers, M.T., Binding Energies of Co+(H2/CH4/C2H6)1,2,3 Clusters, J. Phys. Chem., 1993, 97, 9, 1810, https://doi.org/10.1021/j100111a016 . [all data]

Keesee, Lee, et al., 1979
Keesee, R.G.; Lee, N.; Castleman Jr., Properties of Clusters in the Gas Phase. 3. Hydration Complexes of CO3- and HCO3-, J. Am. Chem. Soc., 1979, 101, 10, 2599, https://doi.org/10.1021/ja00504a015 . [all data]

Fehsenfeld and Ferguson, 1974
Fehsenfeld, F.C.; Ferguson, E.E., Laboratory studies of negative ion reactions with atmospheric trace constituents, J. Chem. Phys., 1974, 61, 3181. [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]

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Meot-Ner, (Mautner), The Ionic Hydrogen Bond. 4. Intramolecular and Multiple Bonds. Proton Affinities, Hydration and Complexes of Amides and Amino Acid Derivatives, J. Am. Chem. Soc., 1984, 106, 2, 278, https://doi.org/10.1021/ja00314a003 . [all data]

Meot-Ner (Mautner), Sieck, et al., 1994
Meot-Ner (Mautner), M.; Sieck, L.W.; Liebman, J.F.; Scheiner, S.; Duan, X., The Ionic Hydrogen Bond. 5. Polydentate and Solvent-Bridged Structures. Complexing of the Proton and the Hydronium Ions by Polyethers, J. Am. Chem. Soc., 1994, 116, 17, 7848, https://doi.org/10.1021/ja00096a047 . [all data]

Sharma and Kebarle, 1984
Sharma, R.B.; Kebarle, P., Stabilites and Hydrogen Bonding in Complexes of H3O+ and CH3OH2+ with Crown Ethers, from Measurements of Gas - Phase Ion - Molecule Equilibria, J. Am. Chem. Soc., 1984, 106, 14, 3913, https://doi.org/10.1021/ja00326a005 . [all data]

Hiraoka and Kebarle, 1977
Hiraoka, K.; Kebarle, P., Condensation Reactions Involving Carbonium Ions and Lewis Bases in the Gas Phase. Hydration of the t - Butyl Cation, J. Am. Chem., 1977, 99, 2, 360, https://doi.org/10.1021/ja00444a008 . [all data]

Davidson, Meza-Hojer, et al., 1979
Davidson, W.R.; Meza-Hojer, S.; Kebarle, P., Gas Phase Ion Equilibria: RCO+ + OH2 ---> RC(OH)2+; Heats of Formation of Acylium Ions RCO+ and Protonated Acids RC(OH)2+; Gas Phase Catalysis of Proton Shift RC(OH)2+ ---> RCO(OH2)+, Can. J. Chem., 1979, 57, 24, 3205, https://doi.org/10.1139/v79-525 . [all data]

El-Shall, Daly, et al., 1992
El-Shall, M.S.; Daly, G.M.; Gao, J.; Meot-Ner (Mautner), M.; Sieck, L.W., How Sensitive are Cluster Compositions to Energetics? A Joint Beam Expansion/ Thermochemical Study of Water - Methanol - Trimethylamine Clusters, J. Phys. Chem., 1992, 96, 2, 507, https://doi.org/10.1021/j100181a002 . [all data]

Rodgers and Armentrout, 2000
Rodgers, M.T.; Armentrout, P.B., Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation, Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X . [all data]

Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P., Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n, J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013 . [all data]

Wiberg, Martin, et al., 1985
Wiberg, K.B.; Martin, E.J.; Squires, R.R., Thermochemical studies of carbonyl compounds. 3. Enthalpies of hydrolysis of ortho esters, J. Org. Chem., 1985, 50, 4717-4720. [all data]

Wiberg and Squires, 1979
Wiberg, K.B.; Squires, R.R., A microprocessor-controlled system for precise measurement of temperature changes. Determination of the enthalpies of hydrolysis of some polyoxygenated hydrocarbons, J. Chem. Thermodyn., 1979, 11, 773-786. [all data]

Hiraoka and Kebarle, 1977, 2
Hiraoka, K.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Proton in Hydrogen Sulfide and Hydrogen Sulfide - Water Mixtures. Stabilities of the Hydrogen Bonded Complexes H+(H2S)x(H2O)y, Can. J. Chem., 1977, 55, 1, 24, https://doi.org/10.1139/v77-005 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References