barium iodide


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) 2800. - 6000.
A 13.90800
B 0.002065
C -0.000564
D 0.000049
E -0.015550
F -76.59909
G 99.95000
H -72.40019
ReferenceChase, 1998
Comment Data last reviewed in June, 1974
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
2800.13.91114.3101.934.75
2900.13.91114.8102.336.14
3000.13.91115.2102.737.54
3100.13.91115.7103.138.93
3200.13.91116.1103.540.32
3300.13.91116.6103.941.71
3400.13.91117.0104.343.10
3500.13.91117.4104.744.49
3600.13.91117.8105.045.88
3700.13.91118.2105.447.27
3800.13.91118.5105.748.66
3900.13.91118.9106.050.05
4000.13.91119.2106.451.44
4100.13.91119.6106.752.84
4200.13.91119.9107.054.23
4300.13.91120.2107.355.62
4400.13.91120.6107.657.01
4500.13.91120.9107.958.40
4600.13.91121.2108.259.79
4700.13.91121.5108.561.18
4800.13.91121.8108.762.57
4900.13.91122.1109.063.96
5000.13.91122.3109.365.35
5100.13.91122.6109.566.75
5200.13.91122.9109.868.14
5300.13.91123.2110.069.53
5400.13.91123.4110.370.92
5500.13.91123.7110.572.31
5600.13.91123.9110.873.70
5700.13.91124.2111.075.09
5800.13.91124.4111.276.48
5900.13.91124.6111.477.87
6000.13.91124.9111.779.26

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