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Titanium dioxide (anatase)


Gas 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) 4000. - 6000.
A 63.82818
B -4.418178
C 1.080707
D -0.058816
E -5.216235
F -336.0739
G 323.0094
H -305.4324
ReferenceChase, 1998
Comment Data last reviewed in December, 1973
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
4000.59.36401.4348.9209.9
4100.59.52402.8350.2215.9
4200.59.68404.3351.5221.8
4300.59.85405.7352.7227.8
4400.60.03407.1353.9233.8
4500.60.21408.4355.1239.8
4600.60.40409.7356.3245.8
4700.60.59411.0357.4251.9
4800.60.79412.3358.6258.0
4900.60.99413.6359.7264.0
5000.61.19414.8360.8270.2
5100.61.40416.0361.8276.3
5200.61.61417.2362.9282.4
5300.61.83418.4363.9288.6
5400.62.04419.6365.0294.8
5500.62.26420.7366.0301.0
5600.62.48421.8366.9307.3
5700.62.70422.9367.9313.5
5800.62.93424.0368.9319.8
5900.63.15425.1369.8326.1
6000.63.38426.2370.8332.4

References

Go To: Top, Gas 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, Gas Phase Heat Capacity (Shomate Equation), References