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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 530. - 1500. |
|---|---|
| A | 24.40010 |
| B | 6.661329×10-13 |
| C | 0.000000 |
| D | 0.000000 |
| E | 1.278980×10-13 |
| F | -28.44130 |
| G | 80.13499 |
| H | -20.86210 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in March, 1962 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 530. | 24.40 | 64.64 | 54.54 | 5.35 |
| 600. | 24.40 | 67.67 | 55.90 | 7.06 |
| 700. | 24.40 | 71.43 | 57.86 | 9.50 |
| 800. | 24.40 | 74.69 | 59.76 | 11.94 |
| 900. | 24.40 | 77.56 | 61.59 | 14.38 |
| 1000. | 24.40 | 80.13 | 63.31 | 16.82 |
| 1100. | 24.40 | 82.46 | 64.95 | 19.26 |
| 1200. | 24.40 | 84.58 | 66.50 | 21.70 |
| 1300. | 24.40 | 86.54 | 67.97 | 24.14 |
| 1400. | 24.40 | 88.34 | 69.36 | 26.58 |
| 1500. | 24.40 | 90.03 | 70.68 | 29.02 |
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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