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titanium diboride


Solid 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 (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. - 3193.
A 52.33264
B 33.69484
C -7.909266
D 0.803989
E -1.540905
F -301.6844
G 73.49280
H -279.4912
ReferenceChase, 1998
Comment Data last reviewed in June, 1965
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.44.3428.5128.510.00
300.44.6328.8128.510.09
400.54.9743.2230.415.12
500.61.1456.1934.2910.95
600.65.6067.7538.9217.30
700.69.1778.1443.8024.04
800.72.2387.5848.6931.11
900.74.9496.2553.5038.47
1000.77.38104.358.1846.09
1100.79.62111.862.7153.94
1200.81.70118.867.1062.01
1300.83.62125.471.3370.28
1400.85.42131.775.4178.73
1500.87.11137.679.3687.36
1600.88.69143.383.1896.15
1700.90.17148.786.88105.1
1800.91.57153.990.46114.2
1900.92.89158.993.93123.4
2000.94.13163.797.30132.8
2100.95.31168.3100.6142.2
2200.96.42172.8103.7151.8
2300.97.48177.1106.8161.5
2400.98.49181.2109.9171.3
2500.99.45185.3112.8181.2
2600.100.4189.2115.7191.2
2700.101.3193.0118.5201.3
2800.102.1196.7121.2211.5
2900.103.0200.3123.8221.7
3000.103.8203.8126.5232.0
3100.104.6207.2129.0242.5

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

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