silicon tetraiodide
- Formula: I4Si
- Molecular weight: 535.7034
- CAS Registry Number: 13465-84-4
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Liquid 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) | 393.65 to 700. |
|---|---|
| A | 35.35010 |
| B | 9.451439 |
| C | 0.636494 |
| D | -0.335003 |
| E | -0.002027 |
| F | -52.70239 |
| G | 110.2670 |
| H | -41.73119 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1976 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 394. | 39.14 | 81.08 | 71.70 | 3.69 |
| 400. | 39.20 | 81.71 | 71.85 | 3.94 |
| 500. | 40.18 | 90.56 | 74.74 | 7.91 |
| 600. | 41.17 | 97.97 | 78.01 | 11.98 |
| 700. | 42.16 | 104.4 | 81.33 | 16.15 |
References
Go To: Top, Liquid 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, Liquid Phase Heat Capacity (Shomate Equation), References
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