Sodium iodide
- Formula: INa
- Molecular weight: 149.89424
- IUPAC Standard InChIKey: FVAUCKIRQBBSSJ-UHFFFAOYSA-M
- CAS Registry Number: 7681-82-5
- Chemical structure:
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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 |
---|---|---|---|---|---|
ΔfH°liquid | -266.51 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1963 |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid,1 bar | 120.75 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1963 |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | -287.86 | kJ/mol | Review | Chase, 1998 | Data last reviewed in September, 1963 |
Quantity | Value | Units | Method | Reference | Comment |
S°solid | 98.50 | J/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1963 |
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) | 933. to 3000. |
---|---|
A | 64.85190 |
B | 0.000065 |
C | -0.000024 |
D | 0.000003 |
E | 0.000020 |
F | -289.0120 |
G | 191.7340 |
H | -266.5080 |
Reference | Chase, 1998 |
Comment | Data last reviewed in September, 1963 |
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 933. |
---|---|
A | 50.19963 |
B | 10.22787 |
C | 0.564543 |
D | -0.221018 |
E | -0.094625 |
F | -303.6036 |
G | 155.6440 |
H | -287.8592 |
Reference | Chase, 1998 |
Comment | Data last reviewed in September, 1963 |
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
2 + = + + CNO.Na
By formula: 2HNaO + CIN = INa + H2O + CNO.Na
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -193.9 ± 0.3 | kJ/mol | Cm | Lord and Woolf, 1954 | solid phase; Heat of hydrolysis; ALS |
C8H5MoNaO3 (solution) + (cr) = C8H5IMoO3 (solution) + (cr)
By formula: C8H5MoNaO3 (solution) + I2 (cr) = C8H5IMoO3 (solution) + INa (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -133.1 ± 5.4 | kJ/mol | RSC | Nolan, López de la Vega, et al., 1986 | solvent: Tetrahydrofuran; MS |
C8H5MoNaO3 (solution) + (l) = C9H8MoO3 (solution) + (cr)
By formula: C8H5MoNaO3 (solution) + CH3I (l) = C9H8MoO3 (solution) + INa (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -32.2 ± 1.3 | kJ/mol | RSC | Nolan, López de la Vega, et al., 1986 | solvent: Tetrahydrofuran; MS |
References
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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]
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]
Nolan, López de la Vega, et al., 1986
Nolan, S.P.; López de la Vega, R.; Hoff, C.D.,
J. Organometal. Chem., 1986, 315, 187. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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