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titanium tetraiodide


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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 1500. - 6000.
A 25.80860
B 0.021340
C -0.005796
D 0.000495
E -0.080159
F -74.23480
G 134.2810
H -66.27010
ReferenceChase, 1998
Comment Data last reviewed in December, 1968
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1500.25.79144.8124.230.82
1600.25.80146.5125.633.40
1700.25.80148.0126.935.98
1800.25.81149.5128.138.56
1900.25.81150.9129.241.14
2000.25.81152.2130.443.72
2100.25.81153.5131.446.30
2200.25.82154.7132.548.88
2300.25.82155.8133.451.47
2400.25.82156.9134.454.05
2500.25.82158.0135.356.63
2600.25.82159.0136.259.21
2700.25.82160.0137.161.79
2800.25.82160.9137.964.38
2900.25.82161.8138.766.96
3000.25.82162.7139.569.54
3100.25.83163.5140.372.12
3200.25.83164.3141.074.71
3300.25.83165.1141.777.29
3400.25.83165.9142.479.87
3500.25.83166.7143.182.45
3600.25.83167.4143.885.04
3700.25.83168.1144.487.62
3800.25.83168.8145.090.20
3900.25.83169.5145.792.79
4000.25.83170.1146.395.37
4100.25.83170.7146.997.95
4200.25.83171.4147.4100.5
4300.25.83172.0148.0103.1
4400.25.83172.6148.6105.7
4500.25.83173.2149.1108.3
4600.25.83173.7149.6110.9
4700.25.83174.3150.1113.4
4800.25.83174.8150.6116.0
4900.25.83175.4151.1118.6
5000.25.83175.9151.6121.2
5100.25.83176.4152.1123.8
5200.25.83176.9152.6126.4
5300.25.83177.4153.1128.9
5400.25.83177.9153.5131.5
5500.25.83178.3154.0134.1
5600.25.83178.8154.4136.7
5700.25.83179.3154.8139.3
5800.25.83179.7155.2141.9
5900.25.83180.2155.7144.4
6000.25.83180.6156.1147.0

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