Mercury diiodide
- Formula: HgI2
- Molecular weight: 454.40
- IUPAC Standard InChI: InChI=1S/Hg.2HI/h;2*1H/q+2;;/p-2
- IUPAC Standard InChIKey: YFDLHELOZYVNJE-UHFFFAOYSA-L
- CAS Registry Number: 7774-29-0
- Chemical structure:
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Liquid 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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 530. - 1500. |
|---|---|
| A | 102.0900 |
| B | 2.787100×10-12 |
| C | 0.000000 |
| D | 0.000000 |
| E | 5.351253×10-13 |
| F | -118.9984 |
| G | 335.2848 |
| H | -87.28703 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in March, 1962 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 530. | 102.1 | 270.5 | 228.2 | 22.40 |
| 600. | 102.1 | 283.1 | 233.9 | 29.54 |
| 700. | 102.1 | 298.9 | 242.1 | 39.75 |
| 800. | 102.1 | 312.5 | 250.1 | 49.96 |
| 900. | 102.1 | 324.5 | 257.7 | 60.17 |
| 1000. | 102.1 | 335.3 | 264.9 | 70.38 |
| 1100. | 102.1 | 345.0 | 271.8 | 80.59 |
| 1200. | 102.1 | 353.9 | 278.2 | 90.80 |
| 1300. | 102.1 | 362.1 | 284.4 | 101.0 |
| 1400. | 102.1 | 369.6 | 290.2 | 111.2 |
| 1500. | 102.1 | 376.7 | 295.7 | 121.4 |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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