barium iodide
- Formula: BaI2
- Molecular weight: 391.136
- CAS Registry Number: 13718-50-8
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Solid Phase Heat Capacity (Shomate Equation)
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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. - 984. |
|---|---|
| A | 17.47580 |
| B | 3.614580 |
| C | 1.196941 |
| D | -0.389046 |
| E | -0.011562 |
| F | -150.1200 |
| G | 59.42541 |
| H | -144.7000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1974 |
| 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. | 18.52 | 39.46 | 39.47 | -0.00 |
| 300. | 18.53 | 39.58 | 39.47 | 0.03 |
| 400. | 19.02 | 44.98 | 40.20 | 1.91 |
| 500. | 19.49 | 49.28 | 41.60 | 3.84 |
| 600. | 19.96 | 52.87 | 43.19 | 5.81 |
| 700. | 20.44 | 55.98 | 44.80 | 7.83 |
| 800. | 20.92 | 58.74 | 46.37 | 9.90 |
| 900. | 21.40 | 61.23 | 47.89 | 12.01 |
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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