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Sodium hydroxide

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Gas phase 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.

Quantity Value Units Method Reference Comment
Deltafgas-47.266kcal/molReviewChase, 1998Data last reviewed in December, 1970
Quantity Value Units Method Reference Comment
gas,1 bar54.606cal/mol*KReviewChase, 1998Data last reviewed in December, 1970

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2500. - 6000.
A 11.82240
B 1.673071
C -0.332638
D 0.022755
E -0.061407
F -51.06850
G 68.08339
H -47.26511
ReferenceChase, 1998
Comment Data last reviewed in December, 1970

Condensed phase 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.

Quantity Value Units Method Reference Comment
Deltafliquid-99.637kcal/molReviewChase, 1998Data last reviewed in December, 1970
Quantity Value Units Method Reference Comment
liquid,1 bar18.14cal/mol*KReviewChase, 1998Data last reviewed in December, 1970
Quantity Value Units Method Reference Comment
Deltafsolid-101.80kcal/molReviewChase, 1998Data last reviewed in December, 1970
Quantity Value Units Method Reference Comment
solid15.41cal/mol*KReviewChase, 1998Data last reviewed in December, 1970

Liquid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 596. - 2500.
A 21.11550
B -0.596344
C -0.720131
D 0.206168
E 0.010090
F -105.8640
G 43.96080
H -99.63631
ReferenceChase, 1998
Comment Data last reviewed in December, 1970

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 572.572. - 596.
A 100.259020.56000
B -410.55310.000000
C 705.92090.000000
D -381.74500.000000
E -1.4452400.000000
F -123.7730-107.2780
G 223.010040.54209
H -101.8000-101.8000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1970 Data last reviewed in December, 1970

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

2Sodium hydroxide + acetyl fluoride = Acetic acid, sodium salt + sodium fluoride + Water

By formula: 2HNaO + C2H3FO = C2H3NaO2 + FNa + H2O

Quantity Value Units Method Reference Comment
Deltar-13.42 ± 0.02kcal/molCmPritchard and Skinner, 1950liquid phase; Corrected for CODATA value of «DELTA»fH; HF(100); ALS
Deltar-42.4kcal/molCmCarson and Skinner, 1949liquid phase; ALS

2Sodium hydroxide + Dioxybismethanol = Hydrogen + 2sodium formate + 2Water

By formula: 2HNaO + C2H6O4 = H2 + 2CHNaO2 + 2H2O

Quantity Value Units Method Reference Comment
Deltar-70.1 ± 1.2kcal/molCmJenkins and Style, 1953solid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -69.8 kcal/mol; ALS

Sodium hydroxide + Ketene = Acetic acid, sodium salt

By formula: HNaO + C2H2O = C2H3NaO2

Quantity Value Units Method Reference Comment
Deltar-49.75 ± 0.38kcal/molCmNuttall, Laufer, et al., 1971gas phase; ALS
Deltar-47.16kcal/molCmRice and Greenberg, 1934gas phase; ALS

C2Na2 (cr) + 2Water (l) = 2(Sodium hydroxide bullet 1418Water) (solution) + Acetylene (g)

By formula: C2Na2 (cr) + 2H2O (l) = 2(HNaO bullet 1418H2O) (solution) + C2H2 (g)

Quantity Value Units Method Reference Comment
Deltar-38.67 ± 0.36kcal/molRSCJohnson, van Deventer, et al., 1973Please also see Pedley and Rylance, 1977.; MS

C2HNa (cr) + Water (l) = (Sodium hydroxide bullet 1418Water) (solution) + Acetylene (g)

By formula: C2HNa (cr) + H2O (l) = (HNaO bullet 1418H2O) (solution) + C2H2 (g)

Quantity Value Units Method Reference Comment
Deltar-13.0 ± 0.2kcal/molRSCJohnson, van Deventer, et al., 1973Please also see Pedley and Rylance, 1977.; MS

3Sodium hydroxide + Carbonochloridic acid, ethyl ester = CNa2O3 + Ethanol + sodium chloride + Water

By formula: 3HNaO + C3H5ClO2 = CNa2O3 + C2H6O + ClNa + H2O

Quantity Value Units Method Reference Comment
Deltar-77.27 ± 0.41kcal/molCmDavies, Finch, et al., 1980liquid phase; Heat of hydrolysis; ALS

2Sodium hydroxide + Cyanogen bromide = sodium bromide + Water + CNO.Na

By formula: 2HNaO + CBrN = BrNa + H2O + CNO.Na

Quantity Value Units Method Reference Comment
Deltar-56.06 ± 0.17kcal/molCmLord and Woolf, 1954solid phase; Heat of hydrolysis; ALS

2Sodium hydroxide + Cyanogen iodide = Sodium iodide + Water + CNO.Na

By formula: 2HNaO + CIN = INa + H2O + CNO.Na

Quantity Value Units Method Reference Comment
Deltar-46.35 ± 0.08kcal/molCmLord and Woolf, 1954solid phase; Heat of hydrolysis; ALS

2Sodium hydroxide + Cyanogen chloride = sodium chloride + Water + CNO.Na

By formula: 2HNaO + CClN = ClNa + H2O + CNO.Na

Quantity Value Units Method Reference Comment
Deltar-66.3 ± 0.1kcal/molCmLord and Woolf, 1954solid phase; Heat of Hydrolysis; ALS

Acetaldehyde, tribromo- + Sodium hydroxide = sodium formate + Methane, tribromo-

By formula: C2HBr3O + HNaO = CHNaO2 + CHBr3

Quantity Value Units Method Reference Comment
Deltar-22.40kcal/molCmPritchard and Skinner, 1950, 2liquid phase; Heat of hydrolysis; ALS

Sodium hydroxide + Chloral = sodium formate + Trichloromethane

By formula: HNaO + C2HCl3O = CHNaO2 + CHCl3

Quantity Value Units Method Reference Comment
Deltar-24.58kcal/molCmPritchard and Skinner, 1950, 2liquid phase; Heat of hydrolysis; ALS

Sodium hydroxide + Acetamide = Acetic acid, sodium salt + Ammonia

By formula: HNaO + C2H5NO = C2H3NaO2 + H3N

Quantity Value Units Method Reference Comment
Deltar-10.9kcal/molCmCalvet, 1933solid phase; Heat of hydrolysis; ALS

C6H5NaO (cr) + Water (l) = Phenol (cr) + Sodium hydroxide (cr)

By formula: C6H5NaO (cr) + H2O (l) = C6H6O (cr) + HNaO (cr)

Quantity Value Units Method Reference Comment
Deltar5.11 ± 0.86kcal/molRSCLeal, Pires de Matos, et al., 1991MS

C2H5NaO (cr) + Water (l) = Sodium hydroxide (cr) + Ethanol (l)

By formula: C2H5NaO (cr) + H2O (l) = HNaO (cr) + C2H6O (l)

Quantity Value Units Method Reference Comment
Deltar-1.4 ± 0.45kcal/molRSCLeal, Pires de Matos, et al., 1991MS

sodium methanolate (cr) + Water (l) = Sodium hydroxide (cr) + Methyl Alcohol (l)

By formula: CH3NaO (cr) + H2O (l) = HNaO (cr) + CH4O (l)

Quantity Value Units Method Reference Comment
Deltar-1.6 ± 0.57kcal/molRSCLeal, Pires de Matos, et al., 1991MS

Gas phase ion energetics 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 evaluated by: Edward P. Hunter and Sharon G. Lias

Quantity Value Units Method Reference Comment
Proton affinity (review)256.17kcal/molN/AHunter and Lias, 1998 
Quantity Value Units Method Reference Comment
Gas basicity249.71kcal/molN/AHunter and Lias, 1998 

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Pritchard and Skinner, 1950
Pritchard, H.O.; Skinner, H.A., The heat of hydrolysis of acetyl fluoride, J. Chem. Soc., 1950, 1099. [all data]

Carson and Skinner, 1949
Carson, A.S.; Skinner, H.A., 201. Carbon-halogen bond energies in the acetyl halides, J. Chem. Soc., 1949, 936-939. [all data]

Jenkins and Style, 1953
Jenkins, A.D.; Style, D.W.G., The thermochemistry and pyrolysis of bishydroxymethyl, J. Chem. Soc., 1953, 2337-23. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Nuttall, Laufer, et al., 1971
Nuttall, R.L.; Laufer, A.H.; Kilday, M.V., The enthalpy of formation of ketene, J. Chem. Thermodyn., 1971, 3, 167-174. [all data]

Rice and Greenberg, 1934
Rice, F.O.; Greenberg, J., Ketene. III. Heat of formation and heat of reaction with alcohols, J. Am. Chem. Soc., 1934, 38, 2268-2270. [all data]

Johnson, van Deventer, et al., 1973
Johnson, G.K.; van Deventer, E.H.; Ackerman, J.P.; Hubbard, W.N.; Osborne, D.W.; Flotow, H.L., J. Chem. Thermodyn., 1973, 5, 57. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Davies, Finch, et al., 1980
Davies, R.H.; Finch, A.; Gardner, P.J., The standard enthalpy of formation of liquid and gaseous ethylchloroformate (C3H5O2Cl), J. Chem. Thermodyn., 1980, 12, 291-296. [all data]

Lord and Woolf, 1954
Lord, G.; Woolf, A.A., The cyanogen halides. Part III. Their heats of formation and free energies, J. Chem. Soc., 1954, 2546-2551. [all data]

Pritchard and Skinner, 1950, 2
Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of chloral and bromal, and the C-C bond dissociation energies in chloral and bromal, J. Am. Chem. Soc., 1950, 1928-1931. [all data]

Calvet, 1933
Calvet, E., Mesures thermochimiques directes en chimie organique vitesses et chaleurs de saponification des amides. II.-Mesures effectuees et resultats obtenus, J. Chim. Phys., 1933, 30, 140-146. [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]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, References