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

Reactions 1101 to 1150

Methylal + Water = Formaldehyde + 2Methyl Alcohol

By formula: C3H8O2 + H2O = CH2O + 2CH4O

Quantity Value Units Method Reference Comment
Δr18.45 ± 0.12kcal/molCmBirley and Skinner, 1970liquid phase; Heat of hydrolysis; ALS

Sucrose + Water = α-D-Glucopyranose + Fructose

By formula: C12H22O11 + H2O = C6H12O6 + C6H12O6

Quantity Value Units Method Reference Comment
Δr-3.568 ± 0.038kcal/molEqkGoldberg, Tewari, et al., 1989liquid phase; solvent: Aqueous; ALS

Acetamide, N-butyl- + Acetic acid = Acetamide, N-acetyl-N-butyl- + Water

By formula: C6H13NO + C2H4O2 = C8H15NO2 + H2O

Quantity Value Units Method Reference Comment
Δr9.68 ± 0.12kcal/molCmWadso, 1965liquid phase; Heat of hydrolysis; ALS

Ethanethioic acid, S-propyl ester + Water = Propyl mercaptan + Acetic acid

By formula: C5H10OS + H2O = C3H8S + C2H4O2

Quantity Value Units Method Reference Comment
Δr-0.93 ± 0.06kcal/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

C20H32O2Zr (solution) + Phenol, pentafluoro- (solution) = C26H31F5O2Zr (solution) + Water (solution)

By formula: C20H32O2Zr (solution) + C6HF5O (solution) = C26H31F5O2Zr (solution) + H2O (solution)

Quantity Value Units Method Reference Comment
Δr-8.01 ± 0.31kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

C26H31F5O2Zr (solution) + Phenol, pentafluoro- (solution) = C32H30F10O2Zr (solution) + Water (solution)

By formula: C26H31F5O2Zr (solution) + C6HF5O (solution) = C32H30F10O2Zr (solution) + H2O (solution)

Quantity Value Units Method Reference Comment
Δr-4.59 ± 0.41kcal/molRSCSchock and Marks, 1988solvent: Toluene; MS

dihydro-3,3-dimethylfuran-2,5-dione + Water = 2,2-Dimethylbutanedioic acid

By formula: C6H8O3 + H2O = C6H10O4

Quantity Value Units Method Reference Comment
Δr-13.63kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 323 K; ALS

Acetamide, N-phenyl- + Acetic acid = C10H11NO2 + Water

By formula: C8H9NO + C2H4O2 = C10H11NO2 + H2O

Quantity Value Units Method Reference Comment
Δr10.88 ± 0.07kcal/molCmWadso, 1965solid phase; Heat of hydrolysis; ALS

m-Cresyl acetate + Water = Phenol, 3-methyl- + Acetic acid

By formula: C9H10O2 + H2O = C7H8O + C2H4O2

Quantity Value Units Method Reference Comment
Δr-4.39 ± 0.14kcal/molCmSunner, 1957liquid phase; Heat of hydrolysis; ALS

Water + Ethanethioic acid, S-butyl ester = 1-Butanethiol + Acetic acid

By formula: H2O + C6H12OS = C4H10S + C2H4O2

Quantity Value Units Method Reference Comment
Δr-1.09 ± 0.06kcal/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

1-Propene, 3-iodo- + Water = Hydrogen iodide + 2-Propen-1-ol

By formula: C3H5I + H2O = HI + C3H6O

Quantity Value Units Method Reference Comment
Δr-2.10kcal/molCmGellner and Skinner, 1949liquid phase; Heat of hydrolysis; ALS

Benzene, (iodomethyl)- + Water = Hydrogen iodide + Benzyl alcohol

By formula: C7H7I + H2O = HI + C7H8O

Quantity Value Units Method Reference Comment
Δr-3.00kcal/molCmGellner and Skinner, 1949liquid phase; Heat of hydrolysis; ALS

1-Acetyl-1H-tetrazole + Water = 1H-Tetrazole + Acetic acid

By formula: C3H4N4O + H2O = CH2N4 + C2H4O2

Quantity Value Units Method Reference Comment
Δr-10.31 ± 0.09kcal/molCmWadso, 1960solid phase; Heat of hydrolysis; ALS

Benzoic acid, 4-(acetylthio)- + Water = Benzoic acid, 4-mercapto- + Acetic acid

By formula: C9H8O3S + H2O = C7H6O2S + C2H4O2

Quantity Value Units Method Reference Comment
Δr-2.75 ± 0.09kcal/molCmNelander, 1964solid phase; Heat of hydrolysis; ALS

(Oxygen anion • 4Water) + Water = (Oxygen anion • 5Water)

By formula: (O2- • 4H2O) + H2O = (O2- • 5H2O)

Quantity Value Units Method Reference Comment
Δr3.3 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B

(Mg+2 • 12Water) + Water = (Mg+2 • 13Water)

By formula: (Mg+2 • 12H2O) + H2O = (Mg+2 • 13H2O)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.0293.ES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Mg+2 • 13Water) + Water = (Mg+2 • 14Water)

By formula: (Mg+2 • 13H2O) + H2O = (Mg+2 • 14H2O)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.5293.ES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Mg+2 • 14Water) + Water = (Mg+2 • 15Water)

By formula: (Mg+2 • 14H2O) + H2O = (Mg+2 • 15H2O)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.2293.ES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Mg+2 • 15Water) + Water = (Mg+2 • 16Water)

By formula: (Mg+2 • 15H2O) + H2O = (Mg+2 • 16H2O)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
4.9293.ES/HPMSBlades, Klassen, et al., 1995gas phase; M

2-Propanone, 1,3-dichloro- + Water = 2,2-Propanediol, 1,3-dichloro-

By formula: C3H4Cl2O + H2O = C3H6Cl2O2

Quantity Value Units Method Reference Comment
Δr6.8 ± 0.1kcal/molEqkBell and Sorensen, 1972liquid phase; solvent: Dioxane; UV; ALS

Propane, 2,2-diethoxy- + Water = 2Ethanol + Acetone

By formula: C7H16O2 + H2O = 2C2H6O + C3H6O

Quantity Value Units Method Reference Comment
Δr5.06 ± 0.05kcal/molCmStern and Dorer, 1962liquid phase; Heat of hydrolysis; ALS

trans-3,4-Dihydro-3,4-dimethyl-2,5-furandione + Water = Racemic-2,3-dimethyl-butanedioic acid

By formula: C6H8O3 + H2O = C6H10O4

Quantity Value Units Method Reference Comment
Δr-7.06kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 323 K; ALS

Dihydro-3,3,4,4-tetramethyl-2,5-furandione + Water = Tetramethylbutanedioic acid

By formula: C8H12O3 + H2O = C8H14O4

Quantity Value Units Method Reference Comment
Δr-8.43kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 323 K; ALS

2,2-Dimethylpropanoic anhydride + Water = 2Propanoic acid, 2,2-dimethyl-

By formula: C10H18O3 + H2O = 2C5H10O2

Quantity Value Units Method Reference Comment
Δr-15.12kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 303 K; ALS

Acetamide, N-phenyl- + Water = Aniline + Acetic acid

By formula: C8H9NO + H2O = C6H7N + C2H4O2

Quantity Value Units Method Reference Comment
Δr-10.05 ± 0.06kcal/molCmWadso, 1965solid phase; Heat of hydrolysis; ALS

Acetic acid + Acetone = 1-Propen-2-ol, acetate + Water

By formula: C2H4O2 + C3H6O = C5H8O2 + H2O

Quantity Value Units Method Reference Comment
Δr14.39 ± 0.06kcal/molCmSunner, 1957liquid phase; Heat of hydrolysis; ALS

S-Ethyl ethanethioate + Water = Acetic acid + Ethanethiol

By formula: C4H8OS + H2O = C2H4O2 + C2H6S

Quantity Value Units Method Reference Comment
Δr-0.95 ± 0.06kcal/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

Water + Ethanethioic acid, S-(1-methylethyl) ester = Acetic acid + 2-Propanethiol

By formula: H2O + C5H10OS = C2H4O2 + C3H8S

Quantity Value Units Method Reference Comment
Δr-1.39 ± 0.07kcal/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

Water + Ethanethioic acid S-tert-butyl ester = Acetic acid + 2-Propanethiol, 2-methyl-

By formula: H2O + C6H12OS = C2H4O2 + C4H10S

Quantity Value Units Method Reference Comment
Δr-3.00 ± 0.07kcal/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

1-Propene, 3-bromo- + Water = Hydrogen bromide + 2-Propen-1-ol

By formula: C3H5Br + H2O = HBr + C3H6O

Quantity Value Units Method Reference Comment
Δr-3.7kcal/molCmGellner and Skinner, 1949liquid phase; Heat of hydrolysis; ALS

Benzene, (bromomethyl)- + Water = Hydrogen bromide + Benzyl alcohol

By formula: C7H7Br + H2O = HBr + C7H8O

Quantity Value Units Method Reference Comment
Δr-1.9kcal/molCmGellner and Skinner, 1949liquid phase; Heat of hydrloysis; ALS

1-[1,2,4]Triazol-1-ylethanone + Water = 1H-1,2,4-Triazole + Acetic acid

By formula: C4H5N3O + H2O = C2H3N3 + C2H4O2

Quantity Value Units Method Reference Comment
Δr-7.29 ± 0.06kcal/molCmWadso, 1960solid phase; Heat of hydrolysis; ALS

Benzoic acid, o-mercapto-, acetate + Water = Benzoic acid, 2-mercapto- + Acetic acid

By formula: C9H8O3S + H2O = C7H6O2S + C2H4O2

Quantity Value Units Method Reference Comment
Δr-5.85 ± 0.06kcal/molCmNelander, 1964solid phase; Heat of hydrolysis; ALS

Propyl gallate + Water = Benzoic acid, 3,4,5-trihydroxy- + 1-Propanol

By formula: C10H12O5 + H2O = C7H6O5 + C3H8O

Quantity Value Units Method Reference Comment
Δr-3.7 ± 1.6kcal/molEqkTewari, Schantz, et al., 1996liquid phase; solvent: Toluene; ALS

Acetic acid, phenyl ester + Water = Phenol + Acetic acid

By formula: C8H8O2 + H2O = C6H6O + C2H4O2

Quantity Value Units Method Reference Comment
Δr-6.86 ± 0.04kcal/molCmWadso, 1960, 2liquid phase; Heat of hydrolysis; ALS

Water + Ethanethioic acid, S-phenyl ester = Benzenethiol + Acetic acid

By formula: H2O + C8H8OS = C6H6S + C2H4O2

Quantity Value Units Method Reference Comment
Δr-2.97 ± 0.08kcal/molCmWadso, 1960, 2liquid phase; Heat of hydrolysis; ALS

Benzoyl bromide + Water = Hydrogen bromide + Benzoic acid

By formula: C7H5BrO + H2O = HBr + C7H6O2

Quantity Value Units Method Reference Comment
Δr-27.04kcal/molCmCarson, Pritchard, et al., 1950liquid phase; Heat of hydrolysis; ALS

Benzoyl iodide + Water = Hydrogen iodide + Benzoic acid

By formula: C7H5IO + H2O = HI + C7H6O2

Quantity Value Units Method Reference Comment
Δr-24.47kcal/molCmCarson, Pritchard, et al., 1950liquid phase; Heat of hydrolysis; ALS

2,5-Furandione, 3-methyl- + Water = 2-Butenedioic acid, 2-methyl-, (E)-

By formula: C5H4O3 + H2O = C5H6O4

Quantity Value Units Method Reference Comment
Δr-8.13kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 303 K; ALS

Water + Propanoic acid, 2-methyl-, anhydride = 2Propanoic acid, 2-methyl-

By formula: H2O + C8H14O3 = 2C4H8O2

Quantity Value Units Method Reference Comment
Δr-14.59kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 303 K; ALS

Benzoic acid, 4-(acetyloxy)- + Water = Acetic acid + Benzoic acid, 4-hydroxy-

By formula: C9H8O4 + H2O = C2H4O2 + C7H6O3

Quantity Value Units Method Reference Comment
Δr-4.93 ± 0.08kcal/molCmNelander, 1964solid phase; Heat of hydrolysis; ALS

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

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

Quantity Value Units Method Reference Comment
Δr11.0kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M

Ethyl Acetate + Water = Ethanol + Acetic acid

By formula: C4H8O2 + H2O = C2H6O + C2H4O2

Quantity Value Units Method Reference Comment
Δr0.89 ± 0.04kcal/molCmWadso, 1958liquid phase; Heat of hydrolysis; ALS

Acetic acid, butyl ester + Water = Acetic acid + 1-Butanol

By formula: C6H12O2 + H2O = C2H4O2 + C4H10O

Quantity Value Units Method Reference Comment
Δr0.80 ± 0.05kcal/molCmWadso, 1958liquid phase; Heat of hydrolysis; ALS

Isopropyl acetate + Water = Acetic acid + Isopropyl Alcohol

By formula: C5H10O2 + H2O = C2H4O2 + C3H8O

Quantity Value Units Method Reference Comment
Δr0.54 ± 0.05kcal/molCmWadso, 1958liquid phase; Heat of Hydrolysis; ALS

2-Heptanol = 1-Heptene + Water

By formula: C7H16O = C7H14 + H2O

Quantity Value Units Method Reference Comment
Δr7.98 ± 0.05kcal/molCmWiberg, Wasserman, et al., 1984liquid phase; Heat of hydration; ALS

3-Heptanol = 1-Heptene + Water

By formula: C7H16O = C7H14 + H2O

Quantity Value Units Method Reference Comment
Δr7.94 ± 0.05kcal/molCmWiberg, Wasserman, et al., 1984liquid phase; Heat of hydration; ALS

4-Heptanol = 1-Heptene + Water

By formula: C7H16O = C7H14 + H2O

Quantity Value Units Method Reference Comment
Δr7.84 ± 0.05kcal/molCmWiberg, Wasserman, et al., 1984liquid phase; Heat of hydration; ALS

Aspirin + Water = Acetic acid + Salicylic acid

By formula: C9H8O4 + H2O = C2H4O2 + C7H6O3

Quantity Value Units Method Reference Comment
Δr-6.50 ± 0.07kcal/molCmNelander, 1964solid phase; Heat of hydrolysis; ALS

Titanium, bis(η5-2,4-cyclopentadien-1-yl)dimethyl- (cr) + 2(Hydrogen chloride • 5.55Water) (solution) = Titanocene dichloride (cr) + 2Methane (g)

By formula: C12H16Ti (cr) + 2(HCl • 5.55H2O) (solution) = C10H10Cl2Ti (cr) + 2CH4 (g)

Quantity Value Units Method Reference Comment
Δr-45.9 ± 1.4kcal/molRSCCalhorda, Dias, et al., 1987MS

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.

Birley and Skinner, 1970
Birley, G.I.; Skinner, H.A., Enthalpies of hydrolysis of dimethoxymethane and 1,1-dimethoxyethane, Trans. Faraday Soc., 1970, 66, 791-793. [all data]

Goldberg, Tewari, et al., 1989
Goldberg, R.N.; Tewari, Y.B.; Ahluwalia, J.C., Thermodynamics of the hydrolysis of sucrose, J. Biol. Chem., 1989, 264, 9901-99. [all data]

Wadso, 1965
Wadso, I., Thermochemical properties of diacetimide, N-butyldiacetimide and N-phenyldiacetimide, Acta Chem. Scand., 1965, 19, 1079-1087. [all data]

Wadso, 1957
Wadso, I., The heats of hydrolysis of some alkyl thiolesters, Acta Chem. Scand., 1957, 11, 1745-1751. [all data]

Schock and Marks, 1988
Schock, L.E.; Marks, T.J., J. Am. Chem. Soc., 1988, 110, 7701. [all data]

Conn, Kistiakowsky, et al., 1942
Conn, J.B.; Kistiakowsky, G.B.; Roberts, R.M.; Smith, E.A., Heats of organic reactions. XIII. Heats of hydrolysis of some acid anhydrides, J. Am. Chem. Soc., 1942, 64, 1747-17. [all data]

Sunner, 1957
Sunner, S., The heat of hydrolysis of i-propenyl acetate and m-cresyl acetate and the heat of formation of acetone, Acta Chem. Scand., 1957, 11, 1757-1760. [all data]

Gellner and Skinner, 1949
Gellner, O.H.; Skinner, H.A., Dissociation energies of carbon-halogen bonds. The bond strengths allyl-X and benzyl-X, J. Chem. Soc., 1949, 1145-1148. [all data]

Wadso, 1960
Wadso, I., Heats of hydrolysis of N-acetylated imidazole, 1,2,4-triazole and tetrazole, Acta Chem. Scand., 1960, 14, 903-908. [all data]

Nelander, 1964
Nelander, L., The heats of hydrolysis of aspirin, thioaspirin, and their p-analogues, Acta Chem. Scand., 1964, 18, 973-984. [all data]

Kebarle, Arshadi, et al., 1968
Kebarle, P.; Arshadi, M.; Scarborough, J., Hydration of Negative Ions in the Gas Phase, J. Chem. Phys., 1968, 49, 2, 817, https://doi.org/10.1063/1.1670145 . [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]

Bell and Sorensen, 1972
Bell, R.P.; Sorensen, P.E., Thermodynamic and activation parameters in the reversible hydration of 1,3-dichloroacetone in dioxane, J. Chem. Soc. Perkin Trans. 2, 1972, 1740-1743. [all data]

Stern and Dorer, 1962
Stern, J.H.; Dorer, F.H., Standard heats of formation of 2,2-Dimethoxypropane (1), and 2,2 -Diethoxypropane (1). Group additivity theory and calculated heats of formation and five ketals, J. Phys. Chem., 1962, 66, 97-99. [all data]

Tewari, Schantz, et al., 1996
Tewari, Y.B.; Schantz, M.M.; Rekharsky, M.V.; Goldberg, R.N., Thermodynamics of the hydrolysis of 3,4,5-trihydroxybenzoic acid propyl ester (n-propylgallate) to 3,4,5-trihydroxybenzoic acid (gallic acid) and propan-1-ol in aqueous media and in toluene, J. Chem. Thermodyn., 1996, 28, 171-185. [all data]

Wadso, 1960, 2
Wadso, I., Heats of hydrolysis of phenyl acetate and phenyl thiolacetate, Acta Chem. Scand., 1960, 14, 561-565. [all data]

Carson, Pritchard, et al., 1950
Carson, A.S.; Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of the benzoyl halides, J. Chem. Soc., 1950, 656-659. [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]

Wadso, 1958
Wadso, I., The heats of hydrolysis of some alkyl acetates, Acta Chem. Scand., 1958, 12, 630-633. [all data]

Wiberg, Wasserman, et al., 1984
Wiberg, K.B.; Wasserman, D.J.; Martin, E., Enthalpies of hydration of alkenes. 2. The n-heptenes and n-pentenes, J. Phys. Chem., 1984, 88, 3684-3688. [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]


Notes

Go To: Top, Reaction thermochemistry data, References