Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Water

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


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:
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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.

Reactions 1151 to 1200

C2Ag2 (cr) + 2(Hydrogen chloride bullet 12.3Water) (solution) = Acetylene (aq) + 2Silver chloride (cr)

By formula: C2Ag2 (cr) + 2(HCl bullet 12.3H2O) (solution) = C2H2 (aq) + 2AgCl (cr)

Quantity Value Units Method Reference Comment
Deltar-77.8 ± 0.6kJ/molRSCFinch, Gardner, et al., 1991MS

Water + Benzoic acid, methyl ester = Benzoic acid + Methyl Alcohol

By formula: H2O + C8H8O2 = C7H6O2 + CH4O

Quantity Value Units Method Reference Comment
Deltar-73.0 ± 1.9kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

NO2+ + Water = (NO2+ bullet Water)

By formula: NO2+ + H2O = (NO2+ bullet H2O)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
67.4 (+9.6,-0.) PD/KERDGraul, Kim, et al., 1992gas phase; M

(O3- bullet 2Water) + Water = (O3- bullet 3Water)

By formula: (O3- bullet 2H2O) + H2O = (O3- bullet 3H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
19.296.FAFehsenfeld and Ferguson, 1974gas phase; M

4'-Methoxy-2,2,2-trifluoroacetophenone + Water = 1,1-Ethanediol, 2,2,2-trifluoro-1-(4-methoxyphenyl)-

By formula: C9H7F3O2 + H2O = C9H9F3O3

Quantity Value Units Method Reference Comment
Deltar-28.kJ/molEqkStewart and Van Dyke, 1972liquid phase; solvent: Aqueous; ALS

C11H13ClTi (cr) + (Hydrogen chloride bullet 4.40Water) (solution) = Titanocene dichloride (cr) + Methane (g)

By formula: C11H13ClTi (cr) + (HCl bullet 4.40H2O) (solution) = C10H10Cl2Ti (cr) + CH4 (g)

Quantity Value Units Method Reference Comment
Deltar-68.9 ± 3.1kJ/molRSCCalhorda, Dias, et al., 1987MS

(O4S- bullet Water) + Water = (O4S- bullet 2Water)

By formula: (O4S- bullet H2O) + H2O = (O4S- bullet 2H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
6.7296.FAFehsenfeld and Ferguson, 1974gas phase; M

(O3- bullet Water) + Water = (O3- bullet 2Water)

By formula: (O3- bullet H2O) + H2O = (O3- bullet 2H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
26.296.FAFehsenfeld and Ferguson, 1974gas phase; M

C2H5LiO (cr) + (Hydrogen chloride bullet 552Water) (solution) = Ethanol (l) + lithium chloride (cr)

By formula: C2H5LiO (cr) + (HCl bullet 552H2O) (solution) = C2H6O (l) + ClLi (cr)

Quantity Value Units Method Reference Comment
Deltar-42.4 ± 3.9kJ/molRSCLeal and Martinho Simões, 1993MS

C6H5NaO (cr) + (Hydrogen chloride bullet 552Water) (solution) = Phenol (cr) + sodium chloride (cr)

By formula: C6H5NaO (cr) + (HCl bullet 552H2O) (solution) = C6H6O (cr) + ClNa (cr)

Quantity Value Units Method Reference Comment
Deltar-78.0 ± 5.7kJ/molRSCLeal, Pires de Matos, et al., 1991MS

Water + 1,1-Dimethoxy-3,3-dimethylbutane = Butanal, 3,3-dimethyl- + 2Methyl Alcohol

By formula: H2O + C8H18O2 = C6H12O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar33.34 ± 0.15kJ/molEqkWiberg and Squires, 1981liquid phase; ALS

1,1,1,2-Tetramethoxyethane + Water = Acetic acid, methoxy-, methyl ester + 2Methyl Alcohol

By formula: C6H14O4 + H2O = C4H8O3 + 2CH4O

Quantity Value Units Method Reference Comment
Deltar-52.43 ± 0.50kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

2-Butene, 1,1-dimethoxy- + Water = 2-Butenal + 2Methyl Alcohol

By formula: C6H12O2 + H2O = C4H6O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar15.3 ± 0.2kJ/molCmWiberg, Morgan, et al., 1994liquid phase; ALS

C9H16O2 + Water = Norbornadieone + 2Methyl Alcohol

By formula: C9H16O2 + H2O = C7H10O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar45. ± 2.kJ/molCmWiberg, Morgan, et al., 1994liquid phase; ALS

1,1-Dimethoxy-2,2-dimethylpropane + Water = Propanal, 2,2-dimethyl- + 2Methyl Alcohol

By formula: C7H16O2 + H2O = C5H10O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar33.16 ± 0.079kJ/molEqkWiberg and Squires, 1981liquid phase; ALS

1,1-Dimethoxy-3-methylbutane + Water = Butanal, 3-methyl- + 2Methyl Alcohol

By formula: C7H16O2 + H2O = C5H10O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar34.90 ± 0.096kJ/molEqkWiberg and Squires, 1981liquid phase; ALS

sodium methanolate (cr) + (Hydrogen chloride bullet 552Water) (solution) = Methyl Alcohol (l) + sodium chloride (cr)

By formula: CH3NaO (cr) + (HCl bullet 552H2O) (solution) = CH4O (l) + ClNa (cr)

Quantity Value Units Method Reference Comment
Deltar-108.0 ± 3.1kJ/molRSCLeal, Pires de Matos, et al., 1991MS

C3H9BrSn (cr) + Water (l) = (Hydrogen bromide bullet 55Water) (solution) + C3H10OSn (cr)

By formula: C3H9BrSn (cr) + H2O (l) = (HBr bullet 55H2O) (solution) + C3H10OSn (cr)

Quantity Value Units Method Reference Comment
Deltar-10.0 ± 0.8kJ/molRSCBaldwin, Lappert, et al., 1972MS

(Calcium ion (1+) bullet 2Water) + Water = (Calcium ion (1+) bullet 3Water)

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

Quantity Value Units Method Reference Comment
Deltar90.0kJ/molHPMSKochanski and Constantin, 1987gas phase; M

(Calcium ion (1+) bullet 3Water) + Water = (Calcium ion (1+) bullet 4Water)

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

Quantity Value Units Method Reference Comment
Deltar78.2kJ/molHPMSKochanski and Constantin, 1987gas phase; M

(Calcium ion (1+) bullet 4Water) + Water = (Calcium ion (1+) bullet 5Water)

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

Quantity Value Units Method Reference Comment
Deltar73.2kJ/molHPMSKochanski and Constantin, 1987gas phase; M

1,1-Dimethoxybutane + Water = Cyclobutanone + 2Methyl Alcohol

By formula: C6H12O2 + H2O = C4H6O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar25.4 ± 0.3kJ/molCmWiberg, Morgan, et al., 1994liquid phase; ALS

Propane, 1,1-dimethoxy- + Water = Propanal + 2Methyl Alcohol

By formula: C5H12O2 + H2O = C3H6O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar37.65 ± 0.071kJ/molEqkWiberg and Squires, 1981liquid phase; ALS

Propane, 1,1-dimethoxy-2-methyl- + Water = 2Methyl Alcohol + Propanal, 2-methyl-

By formula: C6H14O2 + H2O = 2CH4O + C4H8O

Quantity Value Units Method Reference Comment
Deltar36.39 ± 0.067kJ/molEqkWiberg and Squires, 1981liquid phase; ALS

1,1-Dimethoxy-2-methylbutane + Water = 2Methyl Alcohol + Butanal, 2-methyl-

By formula: C7H16O2 + H2O = 2CH4O + C5H10O

Quantity Value Units Method Reference Comment
Deltar34.03 ± 0.14kJ/molEqkWiberg and Squires, 1981liquid phase; ALS

3,3,3-Trimethoxypropionitrile + Water = Acetic acid, cyano-, methyl ester + 2Methyl Alcohol

By formula: C6H11NO3 + H2O = C4H5NO2 + 2CH4O

Quantity Value Units Method Reference Comment
Deltar-25.7 ± 1.5kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

1,3,5-Triazine, 2,4,6-trichloro- + 3Water = Cyanuric acid + 3Hydrogen chloride

By formula: C3Cl3N3 + 3H2O = C3H3N3O3 + 3HCl

Quantity Value Units Method Reference Comment
Deltar-399.1 ± 0.2kJ/molCmHumphries and Nicholson, 1957solid phase; ALS

Stannane, chlorotrimethyl- (cr) + Water (l) = C3H10OSn (cr) + (Hydrogen chloride bullet 55Water) (solution)

By formula: C3H9ClSn (cr) + H2O (l) = C3H10OSn (cr) + (HCl bullet 55H2O) (solution)

Quantity Value Units Method Reference Comment
Deltar-13.8 ± 0.4kJ/molRSCBaldwin, Lappert, et al., 1972MS

C3H9ISn (l) + Water (l) = (Hydrogen iodide bullet 55Water) (solution) + C3H10OSn (cr)

By formula: C3H9ISn (l) + H2O (l) = (HI bullet 55H2O) (solution) + C3H10OSn (cr)

Quantity Value Units Method Reference Comment
Deltar-17.6 ± 0.4kJ/molRSCBaldwin, Lappert, et al., 1972MS

Norbornadieone + 2Methyl Alcohol = C9H16O2 + Water

By formula: C7H10O + 2CH4O = C9H16O2 + H2O

Quantity Value Units Method Reference Comment
Deltar-69. ± 3.kJ/molCmWiberg, Morgan, et al., 1994gas phase; ALS

Acetic acid, methoxy-, methyl ester + Water = Acetic acid, methoxy- + Methyl Alcohol

By formula: C4H8O3 + H2O = C3H6O3 + CH4O

Quantity Value Units Method Reference Comment
Deltar-65.6 ± 5.9kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

4-Methyl-2-pentanone dimethylacetal + Water = Methyl Isobutyl Ketone + 2Methyl Alcohol

By formula: C8H18O2 + H2O = C6H12O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar13.74 ± 0.054kJ/molCmWiberg and Squires, 1979liquid phase; ALS

Water + Acetic acid, methyl ester = Acetic acid + Methyl Alcohol

By formula: H2O + C3H6O2 = C2H4O2 + CH4O

Quantity Value Units Method Reference Comment
Deltar4.39kJ/molCmCoon and Daniels, 1933liquid phase; solvent: in HCl; ALS

Ethanol + Acetic acid = Ethyl Acetate + Water

By formula: C2H6O + C2H4O2 = C4H8O2 + H2O

Quantity Value Units Method Reference Comment
Deltar16.6 ± 0.3kJ/molEqkHalford and Brundage, 1942gas phase; At 313 K; ALS

Ethane, 1,1,1-trimethoxy- + Water = Ethyl formate + 2Methyl Alcohol

By formula: C5H12O3 + H2O = C3H6O2 + 2CH4O

Quantity Value Units Method Reference Comment
Deltar-26.3 ± 2.7kJ/molCmHine and Klueppet, 1974liquid phase; ALS

Water + Cyclohexene, 1-methoxy- = Cyclohexanone + Methyl Alcohol

By formula: H2O + C7H12O = C6H10O + CH4O

Quantity Value Units Method Reference Comment
Deltar-13.63 ± 0.69kJ/molEqkHine and Arata, 1976liquid phase; ALS

C4H8S+ + Water = (C4H8S+ bullet Water)

By formula: C4H8S+ + H2O = (C4H8S+ bullet H2O)

Quantity Value Units Method Reference Comment
Deltar42.kJ/molPHPMSHiraoka, Takimoto, et al., 1987gas phase; «DELTA»rH<; M

Cyclobutanone + 2Methyl Alcohol = 1,1-Dimethoxybutane + Water

By formula: C4H6O + 2CH4O = C6H12O2 + H2O

Quantity Value Units Method Reference Comment
Deltar-52.7 ± 1.7kJ/molCmWiberg, Morgan, et al., 1994gas phase; ALS

Water + Cyclohexane, 1,1-dimethoxy- = Cyclohexanone + 2Methyl Alcohol

By formula: H2O + C8H16O2 = C6H10O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar28.9 ± 0.1kJ/molCmWiberg, Morgan, et al., 1994liquid phase; ALS

Methane, trimethoxy- + Water = Methyl formate + 2Methyl Alcohol

By formula: C4H10O3 + H2O = C2H4O2 + 2CH4O

Quantity Value Units Method Reference Comment
Deltar-9.6 ± 1.2kJ/molCmHine and Klueppet, 1974liquid phase; ALS

1,1,1,3,3,3-hexafluoropropane-2,2-diol = 2-Propanone, 1,1,1,3,3,3-hexafluoro- + Water

By formula: C3H2F6O2 = C3F6O + H2O

Quantity Value Units Method Reference Comment
Deltar85.4 ± 0.8kJ/molCmRogers and Rapiejko, 1971solid phase; Hydration; ALS

2-Oxetanone, 4-methylene- + Water = Butanoic acid, 3-oxo-

By formula: C4H4O2 + H2O = C4H6O3

Quantity Value Units Method Reference Comment
Deltar-118.5kJ/molKinLopatin, Popov, et al., 1992liquid phase; solvent: Solution; ALS

1-Propene, 2-methoxy- + Water = Methyl Alcohol + Acetone

By formula: C4H8O + H2O = CH4O + C3H6O

Quantity Value Units Method Reference Comment
Deltar-24.04 ± 0.46kJ/molEqkHine and Arata, 1976liquid phase; ALS

H2O+ + Water = (H2O+ bullet Water)

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

Quantity Value Units Method Reference Comment
Deltar150.kJ/molPINg, Trevor, et al., 1977gas phase; «DELTA»rH>; M

(Calcium ion (1+) bullet Water) + Water = (Calcium ion (1+) bullet 2Water)

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

Quantity Value Units Method Reference Comment
Deltar100.kJ/molHPMSKochanski and Constantin, 1987gas phase; M

Ethane, 1,2-dimethoxy- + Water = 2Methyl Alcohol + Acetaldehyde

By formula: C4H10O2 + H2O = 2CH4O + C2H4O

Quantity Value Units Method Reference Comment
Deltar35.9 ± 0.8kJ/molEqkWiberg, Morgan, et al., 1994liquid phase; ALS

Water + 1,1-Dimethoxycyclopentane = Cyclopentanone + 2Methyl Alcohol

By formula: H2O + C7H14O2 = C5H8O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar16. ± 2.kJ/molCmWiberg, Morgan, et al., 1994liquid phase; ALS

Acetic acid, cyano-, methyl ester + Water = Acetic acid, cyano- + Methyl Alcohol

By formula: C4H5NO2 + H2O = C3H3NO2 + CH4O

Quantity Value Units Method Reference Comment
Deltar-54. ± 2.kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

Benzene, (trimethoxymethyl)- + Water = 2Methyl Alcohol + Benzoic acid, methyl ester

By formula: C10H14O3 + H2O = 2CH4O + C8H8O2

Quantity Value Units Method Reference Comment
Deltar-17.3 ± 0.4kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

Methyl propionate + Water = Methyl Alcohol + Propanoic acid

By formula: C4H8O2 + H2O = CH4O + C3H6O2

Quantity Value Units Method Reference Comment
Deltar-60.17 ± 0.92kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

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.

Finch, Gardner, et al., 1991
Finch, A.; Gardner, P.J.; Head, A.J.; Majdi, H.S., Thermochim. Acta, 1991, 180, 325. [all data]

Guthrie and Cullimore, 1980
Guthrie, J.P.; Cullimore, P.A., Effect of the acyl substituent on the equilibrium constant for hydration of esters, Can. J. Chem., 1980, 58, 1281-1294. [all data]

Graul, Kim, et al., 1992
Graul, S.T.; Kim, H.S.; Bowers, M.T., The Dynamics of Photodissociation of the Gas Phase (N2O.H2O)+ Cluster Ion, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 507, https://doi.org/10.1016/0168-1176(92)80111-D . [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]

Stewart and Van Dyke, 1972
Stewart, R.; Van Dyke, J.D., The Hydration of ketones in mixtures of water and polar aprotic solvents, Can. J. Chem., 1972, 50, 1992-1999. [all data]

Calhorda, Dias, et al., 1987
Calhorda, M.J.; Dias, A.R.; Minas da Piedade M.E.; Salema, M.S.; Martinho Simões J.A., Organometallics, 1987, 6, 734. [all data]

Leal and Martinho Simões, 1993
Leal, J.P.; Martinho Simões, J.A., J. Organometal. Chem., 1993, 460, 131. [all data]

Leal, Pires de Matos, et al., 1991
Leal, J.P.; Pires de Matos, A.; Martinho Simões, J.A., J. Organometal. Chem., 1991, 403, 1. [all data]

Wiberg and Squires, 1981
Wiberg, K.B.; Squires, R.R., Thermochemical studies of carbonyl reactions. 2. Steric effects in acetal and ketal hydrolysis, J. Am. Chem. Soc., 1981, 103, 4473-4478. [all data]

Wiberg, Morgan, et al., 1994
Wiberg, K.B.; Morgan, K.M.; Maltz, H., Thermochemistry of carbonyl reactions. 6. A study of hydration equilibria, J. Am. Chem. Soc., 1994, 116, 11067-11077. [all data]

Baldwin, Lappert, et al., 1972
Baldwin, J.C.; Lappert, M.F.; Pedley, J.B.; Poland, J.S., J. Chem. Soc., Dalton Trans., 1972, 1943.. [all data]

Kochanski and Constantin, 1987
Kochanski, E.; Constantin, E., Theoretical and Experimental Studies of the System Ca+(H2O)n for n=1 to 10, J. Chem. Phys., 1987, 87, 3, 1661, https://doi.org/10.1063/1.453229 . [all data]

Humphries and Nicholson, 1957
Humphries, A.R.; Nicholson, G.R., 472. The heat of formation of cyanuric chloride and the heat of trimerisation of cyanogen chloride, J. Chem. Phys., 1957, 2429-2431. [all data]

Wiberg and Squires, 1979
Wiberg, K.B.; Squires, R.R., Thermodynamics of hydrolysis aliphatic ketals. An entropy component of steric effects, J. Am. Chem. Soc., 1979, 101, 5512-5515. [all data]

Coon and Daniels, 1933
Coon, E.D.; Daniels, F., An isothermal calorimeter for slow reactions, J. Phys. Chem., 1933, 37, 1-12. [all data]

Halford and Brundage, 1942
Halford, J.O.; Brundage, D., The vapor phase esterification equilibrium, J. Am. Chem. Soc., 1942, 64, 36-40. [all data]

Hine and Klueppet, 1974
Hine, J.; Klueppet, A.W., Structural effects on rates and equilibria. XVIII. Thermodynamic stability of ortho esters, J. Am. Chem. Soc., 1974, 96, 2924-2929. [all data]

Hine and Arata, 1976
Hine, J.; Arata, K., Keto-Enol tautomerism. II. The calorimetrical determination of the equilibrium constants for keto-enol tautomerism for cyclohexanone, Bull. Chem. Soc. Jpn., 1976, 49, 3089-3092. [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]

Rogers and Rapiejko, 1971
Rogers, F.E.; Rapiejko, R.J., Thermochemistry of carbonyl addition reactions. I. Addition of water and methanol to hexafluoroacetone, J. Am. Chem. Soc., 1971, 93, 4596-1597. [all data]

Lopatin, Popov, et al., 1992
Lopatin, E.B.; Popov, V.V.; Epshtein, N.A.; Mikhaleva, L.M.; Makarov, Yu.N., Kinetic and thermochemical characteristics of diketene-based reactions, Khim.-Farm. Zh., 1992, 26, 76-78. [all data]

Ng, Trevor, et al., 1977
Ng, C.Y.; Trevor, D.J.; Tiedemann, P.W.; Ceyer, S.T.; Kronebush, B.H.; Mahan, B.H.; Lee, Y.T., Photoinization of Dimeric Polyatomic Molecules: Proton Affinities of H2O and HF, J. Chem. Phys., 1977, 67, 9, 4235, https://doi.org/10.1063/1.435404 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References