strontium iodide
- Formula: I2Sr
- Molecular weight: 341.43
- CAS Registry Number: 10476-86-5
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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. to 811. |
|---|---|
| A | 16.67780 |
| B | 6.572391 |
| C | -0.017379 |
| D | 0.007729 |
| E | -0.000229 |
| F | -139.4650 |
| G | 56.25339 |
| H | -134.2000 |
| 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. | 18.63 | 38.02 | 38.03 | -0.00 |
| 300. | 18.65 | 38.15 | 38.03 | 0.03 |
| 400. | 19.30 | 43.60 | 38.77 | 1.93 |
| 500. | 19.96 | 47.98 | 40.19 | 3.90 |
| 600. | 20.62 | 51.68 | 41.80 | 5.92 |
| 700. | 21.27 | 54.90 | 43.45 | 8.02 |
| 800. | 21.93 | 57.79 | 45.06 | 10.18 |
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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