Molybdenum sulfide
- Formula: Mo2S3
- Molecular weight: 288.12
- CAS Registry Number: 12033-33-9
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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) | 2080. - 3500. |
|---|---|
| A | 37.50000 |
| B | 1.822680×10-8 |
| C | -5.796521×10-9 |
| D | 6.366461×10-10 |
| E | 9.886650×10-9 |
| F | -81.29579 |
| G | 78.89881 |
| H | -64.60430 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1978 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 2080. | 37.50 | 106.4 | 76.89 | 61.31 |
| 2100. | 37.50 | 106.7 | 77.17 | 62.06 |
| 2200. | 37.50 | 108.5 | 78.55 | 65.81 |
| 2300. | 37.50 | 110.1 | 79.89 | 69.56 |
| 2400. | 37.50 | 111.7 | 81.18 | 73.31 |
| 2500. | 37.50 | 113.3 | 82.44 | 77.06 |
| 2600. | 37.50 | 114.7 | 83.65 | 80.81 |
| 2700. | 37.50 | 116.1 | 84.83 | 84.56 |
| 2800. | 37.50 | 117.5 | 85.97 | 88.31 |
| 2900. | 37.50 | 118.8 | 87.08 | 92.06 |
| 3000. | 37.50 | 120.1 | 88.16 | 95.81 |
| 3100. | 37.50 | 121.3 | 89.21 | 99.56 |
| 3200. | 37.50 | 122.5 | 90.23 | 103.3 |
| 3300. | 37.50 | 123.7 | 91.23 | 107.1 |
| 3400. | 37.50 | 124.8 | 92.20 | 110.8 |
| 3500. | 37.50 | 125.9 | 93.15 | 114.6 |
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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