Rutile (TiO2)
- Formula: O2Ti
- Molecular weight: 79.866
- CAS Registry Number: 1317-80-2
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Solid 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) | 298. to 2000. |
|---|---|
| A | 67.29830 |
| B | 18.70940 |
| C | -11.57900 |
| D | 2.449561 |
| E | -1.485471 |
| F | -964.5140 |
| G | 117.8630 |
| H | -938.7220 |
| Reference | Chase, 1998 |
| Comment | rutile phase; Data last reviewed in December, 1973 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 55.18 | 49.83 | 49.90 | -0.02 |
| 300. | 55.43 | 50.20 | 49.90 | 0.09 |
| 400. | 63.80 | 67.45 | 52.18 | 6.11 |
| 500. | 68.12 | 82.20 | 56.75 | 12.72 |
| 600. | 70.76 | 94.87 | 62.07 | 19.68 |
| 700. | 72.53 | 105.9 | 67.56 | 26.85 |
| 800. | 73.79 | 115.7 | 72.98 | 34.17 |
| 900. | 74.71 | 124.4 | 78.22 | 41.59 |
| 1000. | 75.39 | 132.3 | 83.24 | 49.10 |
| 1100. | 75.90 | 139.6 | 88.04 | 56.67 |
| 1200. | 76.28 | 146.2 | 92.61 | 64.27 |
| 1300. | 76.55 | 152.3 | 96.97 | 71.92 |
| 1400. | 76.76 | 158.0 | 101.1 | 79.58 |
| 1500. | 76.92 | 163.3 | 105.1 | 87.27 |
| 1600. | 77.04 | 168.2 | 108.9 | 94.97 |
| 1700. | 77.16 | 172.9 | 112.5 | 102.7 |
| 1800. | 77.29 | 177.3 | 116.0 | 110.4 |
| 1900. | 77.44 | 181.5 | 119.3 | 118.1 |
| 2000. | 77.63 | 185.5 | 122.5 | 125.9 |
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
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