titanium


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) 3630.956 - 6000.
A 9.274255
B 6.092113
C 0.577095
D -0.110364
E 6.504405
F 483.0093
G 204.1566
H 473.6288
ReferenceChase, 1998
Comment Data last reviewed in June, 1979
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
3631.34.21240.0216.485.84
3700.34.60240.7216.888.21
3800.35.15241.6217.591.70
3900.35.69242.5218.195.24
4000.36.22243.4218.798.84
4100.36.73244.3219.3102.5
4200.37.23245.2220.0106.2
4300.37.72246.1220.5109.9
4400.38.19247.0221.1113.7
4500.38.64247.9221.7117.6
4600.39.07248.7222.3121.5
4700.39.49249.5222.9125.4
4800.39.89250.4223.4129.4
4900.40.27251.2224.0133.4
5000.40.63252.0224.5137.4
5100.40.96252.8225.1141.5
5200.41.28253.6225.6145.6
5300.41.57254.4226.2149.7
5400.41.84255.2226.7153.9
5500.42.09256.0227.2158.1
5600.42.31256.7227.7162.3
5700.42.51257.5228.3166.6
5800.42.68258.2228.8170.8
5900.42.83259.0229.3175.1
6000.42.94259.7229.8179.4

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