sodium chloride

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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
Δfgas-181.42kJ/molReviewChase, 1998Data last reviewed in September, 1964
Quantity Value Units Method Reference Comment
gas,1 bar229.79J/mol*KReviewChase, 1998Data last reviewed in September, 1964

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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2500. to 6000.
A 37.29885
B 0.792454
C -0.027018
D 0.002313
E -0.157114
F -193.1004
G 273.8077
H -181.4182
ReferenceChase, 1998
Comment Data last reviewed in September, 1964

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
Δfliquid-385.92kJ/molReviewChase, 1998Data last reviewed in September, 1964
Quantity Value Units Method Reference Comment
liquid,1 bar95.06J/mol*KReviewChase, 1998Data last reviewed in September, 1964
Quantity Value Units Method Reference Comment
Δfsolid-411.12kJ/molReviewChase, 1998Data last reviewed in September, 1964
Quantity Value Units Method Reference Comment
solid72.11J/mol*KReviewChase, 1998Data last reviewed in September, 1964

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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 1074. to 2500.
A -42.44780
B 113.5260
C -43.64660
D 5.896630
E 39.13860
F -305.5610
G 91.06390
H -385.9230
ReferenceChase, 1998
Comment Data last reviewed in September, 1964

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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. to 1073.
A 50.72389
B 6.672267
C -2.517167
D 10.15934
E -0.200675
F -427.2115
G 130.3973
H -411.1203
ReferenceChase, 1998
Comment Data last reviewed in September, 1964

Phase change 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.

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
859.99 to 1239.993.566825200.904-317.409Ewing and Stern, 1974Coefficents calculated by NIST from author's data.
1138. to 1738.5.071848388.497-82.638Stull, 1947Coefficents calculated by NIST from author's data.

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
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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

4sodium + Ethene, chlorotrifluoro- = 2carbon + sodium chloride + 3sodium fluoride

By formula: 4Na + C2ClF3 = 2C + ClNa + 3FNa

Quantity Value Units Method Reference Comment
Δr-1576.1 ± 5.4kJ/molCmKolesov, Zenkov, et al., 1963gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -1543. ± 5.4 kJ/mol; ALS

Sodium ion (1+) + sodium chloride = (Sodium ion (1+) • sodium chloride)

By formula: Na+ + ClNa = (Na+ • ClNa)

Quantity Value Units Method Reference Comment
Δr177.kJ/molMSChupka, 1959gas phase; Knudsen cell; M
Quantity Value Units Method Reference Comment
Δr73.6J/mol*KMSChupka, 1959gas phase; Knudsen cell; M

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
Δr-323.3 ± 1.7kJ/molCmDavies, Finch, et al., 1980liquid 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
Δr-277.5 ± 0.4kJ/molCmLord and Woolf, 1954solid phase; Heat of Hydrolysis; ALS

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

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

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

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

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

Quantity Value Units Method Reference Comment
Δr-108.0 ± 3.1kJ/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 compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
0.727 ± 0.010LPESMiller, Leopold, et al., 1986B
0.769975NBAEDe Vreugd, Wijnaendts van Resandt, et al., 1979B
>1.27998EIAEEbinghaus, 1964From (NaCl)2; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.2EIWilliams, 1982LBLHLM
10.0EIItoh, Sasamoto, et al., 1981LLK
8.9 ± 0.1PEPotts, Williams, et al., 1974LLK
8.92 ± 0.06PIBerkowitz and Chupka, 1966RDSH
9.80 ± 0.04PEPotts and Price, 1977Vertical value; LLK
9.0PEGoodman, Allen, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Na+10.3ClEIItoh, Sasamoto, et al., 1981LLK
Na+9.5 ± 0.2ClEIBloom, Hastie, et al., 1968RDSH

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, THz IR spectrum, References, Notes

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

Data compiled by: 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Sodium ion (1+) + sodium chloride = (Sodium ion (1+) • sodium chloride)

By formula: Na+ + ClNa = (Na+ • ClNa)

Quantity Value Units Method Reference Comment
Δr177.kJ/molMSChupka, 1959gas phase; Knudsen cell
Quantity Value Units Method Reference Comment
Δr73.6J/mol*KMSChupka, 1959gas phase; Knudsen cell

IR Spectrum

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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 by: Timothy J. Johnson, Tanya L. Myers, Yin-Fong Su, Russell G. Tonkyn, Molly Rose K. Kelly-Gorham, and Tyler O. Danby

Condensed Phase Spectrum

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IR spectrum
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Additional Data

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Owner Public domain
Origin Pacific Northwest National Laboratory Under IARPA Contract
Date March 2017
State solid
Instrument Bruker Tensor 37 FTIR
Aperture 6 mm
External diffuse reflectance accessory A 562-G integrating sphere
Beam splitter Ge on KBr
Diameter of detector port in sphere 2×2 mm, 60° field of view MCT
Sphere diameter 75 mm
Acquisition mode double-sided, forward-backward
Scanner velocity 40 kHz
Co-added scans 2048
Phase resolution 32.00
Phase correction Mertz
Zero filling
Spectral range 7,500 to 600 cm-1 saved; 7500 to 600 cm-1 reported
Resolution 0.96450084
Spectral resolution 4 cm-1
Wavenumber accuracy ± 0.4 cm-1
Apodization function Blackman-Harris 3-term
Low-pass filter Open
Switch gain on 512 points

THz IR spectrum

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Data compiled by: Edwin J. Heilweil and Matthew B. Campbell


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, THz IR spectrum, 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]

Ewing and Stern, 1974
Ewing, C.T.; Stern, K.H., Equilibrium Vaporization Rates and Vapor Pressures of Solid and Liquid Sodium Chloride, Potassium Chloride, Potassium Bromide, Cesium Iodide, and Lithium Fluoride, J. Phys. Chem., 1974, 78, 20, 1998-2005, https://doi.org/10.1021/j100613a005 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Kolesov, Zenkov, et al., 1963
Kolesov, V.P.; Zenkov, I.D.; Skuratov, S.M., Standard enthalpy of formation of chlorotrifluoroethylene, Russ. J. Phys. Chem. (Engl. Transl.), 1963, 37, 115-116. [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]

Chupka, 1959
Chupka, W.A., Dissociation Energies of Some Gaseous Halide Complex Ions and the Hydrated Ion K(H2O)+, J. Chem. Phys., 1959, 40, 2, 458, https://doi.org/10.1063/1.1729974 . [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]

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]

Miller, Leopold, et al., 1986
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C., Electron Affinities of the Alkali Halides and the Structure of their Negative Ions, J. Chem. Phys., 1986, 85, 5, 2368, https://doi.org/10.1063/1.451091 . [all data]

De Vreugd, Wijnaendts van Resandt, et al., 1979
De Vreugd, C.; Wijnaendts van Resandt, R.W.; Los, J.; Smith, B., Differential Cross Sections for Collisions of Negative Halogen Ions and Alkali Atoms, Chem. Phys., 1979, 42, 3, 305, https://doi.org/10.1016/0301-0104(79)80078-6 . [all data]

Ebinghaus, 1964
Ebinghaus, H.Z., Negative Ionen aus Alkalihalogeniden und Electronenaffinitaten der Alkalimetalle und Alkalihalogenide, Z. Naturfor., 1964, 19A, 727. [all data]

Williams, 1982
Williams, D.J., Mass spectrometric study of the vaporization of the alkali chloride-cuprous chloride systems, Aust. J. Chem., 1982, 35, 1531. [all data]

Itoh, Sasamoto, et al., 1981
Itoh, M.; Sasamoto, T.; Sata, T., Mass-spectrometric measurement of activities in both solid and liquid solutions of the KCl-NaCl system, Bull. Chem. Soc. Jpn., 1981, 54, 3391. [all data]

Potts, Williams, et al., 1974
Potts, A.W.; Williams, T.A.; Price, W.C., Photoelectron spectra and electronic structure of diatomic alkali halides, Proc. Roy. Soc. London A, 1974, 341, 147. [all data]

Berkowitz and Chupka, 1966
Berkowitz, J.; Chupka, W.A., Photoionization of high-temperature vapors. I. The iodides of sodium, magnesium, and thallium, J. Chem. Phys., 1966, 45, 1287. [all data]

Potts and Price, 1977
Potts, A.W.; Price, W.C., Photoelectron studies of ionic materials using molecular beam techniques, Phys. Scr., 1977, 16, 191. [all data]

Goodman, Allen, et al., 1974
Goodman, T.D.; Allen, J.D., Jr.; Cusachs, L.C.; Schweitzer, G.K., The photoelectron spectra of gaseous alkali halides, J. Electron Spectrosc. Relat. Phenom., 1974, 3, 289. [all data]

Bloom, Hastie, et al., 1968
Bloom, H.; Hastie, J.W.; Morrison, J.D., Ionization and dissociation of the alkali halides by electron impact, J. Phys. Chem., 1968, 72, 3041. [all data]


Notes

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