Sodium iodide
- Formula: INa
- Molecular weight: 149.89424
- IUPAC Standard InChI: InChI=1S/HI.Na/h1H;/q;+1/p-1
- IUPAC Standard InChIKey: FVAUCKIRQBBSSJ-UHFFFAOYSA-M
- CAS Registry Number: 7681-82-5
- Chemical structure:
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Solid Phase Heat Capacity (Shomate Equation)
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.
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. to 933. |
|---|---|
| A | 11.99800 |
| B | 2.444520 |
| C | 0.134929 |
| D | -0.052825 |
| E | -0.022616 |
| F | -72.56300 |
| G | 37.19981 |
| H | -68.80000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1963 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 12.48 | 23.54 | 23.54 | -0.00 |
| 300. | 12.49 | 23.62 | 23.54 | 0.02 |
| 400. | 12.85 | 27.26 | 24.04 | 1.29 |
| 500. | 13.16 | 30.17 | 24.98 | 2.59 |
| 600. | 13.44 | 32.59 | 26.05 | 3.92 |
| 700. | 13.71 | 34.68 | 27.14 | 5.28 |
| 800. | 13.98 | 36.53 | 28.20 | 6.66 |
| 900. | 14.24 | 38.19 | 29.22 | 8.07 |
References
Go To: Top, Solid Phase Heat Capacity (Shomate Equation), 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]
Notes
Go To: Top, Solid Phase Heat Capacity (Shomate Equation), References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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