sodium chloride
- Formula: ClNa
- Molecular weight: 58.443
- IUPAC Standard InChIKey: FAPWRFPIFSIZLT-UHFFFAOYSA-M
- CAS Registry Number: 7647-14-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Salt
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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 |
---|---|---|---|---|---|
ΔfH°gas | -181.42 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1964 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 229.79 | J/mol*K | Review | Chase, 1998 | Data 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 |
Reference | Chase, 1998 |
Comment | Data last reviewed in September, 1964 |
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
By formula: 4Na + C2ClF3 = 2C + ClNa + 3FNa
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1576.1 ± 5.4 | kJ/mol | Cm | Kolesov, Zenkov, et al., 1963 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -1543. ± 5.4 kJ/mol; ALS |
By formula: Na+ + ClNa = (Na+ • ClNa)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 177. | kJ/mol | MS | Chupka, 1959 | gas phase; Knudsen cell; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 73.6 | J/mol*K | MS | Chupka, 1959 | gas phase; Knudsen cell; M |
3 + = CNa2O3 + + +
By formula: 3HNaO + C3H5ClO2 = CNa2O3 + C2H6O + ClNa + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -323.3 ± 1.7 | kJ/mol | Cm | Davies, Finch, et al., 1980 | liquid phase; Heat of hydrolysis; ALS |
2 + = + + CNO.Na
By formula: 2HNaO + CClN = ClNa + H2O + CNO.Na
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -277.5 ± 0.4 | kJ/mol | Cm | Lord and Woolf, 1954 | solid phase; Heat of Hydrolysis; ALS |
C6H5NaO (cr) + ( • 552) (solution) = (cr) + (cr)
By formula: C6H5NaO (cr) + (HCl • 552H2O) (solution) = C6H6O (cr) + ClNa (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -78.0 ± 5.7 | kJ/mol | RSC | Leal, Pires de Matos, et al., 1991 | MS |
(cr) + ( • 552) (solution) = (l) + (cr)
By formula: CH3NaO (cr) + (HCl • 552H2O) (solution) = CH4O (l) + ClNa (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -108.0 ± 3.1 | kJ/mol | RSC | Leal, Pires de Matos, et al., 1991 | MS |
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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Additional Data
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Detailed documentation for this spectrum is available.
Particle size distribution data for this spectrum is available.
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 | 4× |
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
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, References, Notes
Data compiled by: Edwin J. Heilweil and Matthew B. Campbell
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, THz IR spectrum, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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