cobalt difluoride


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) 3000. - 6000.
A 13.05220
B 1.076701
C -0.238799
D 0.016587
E -0.100586
F -89.47500
G 81.36840
H -85.20010
ReferenceChase, 1998
Comment Data last reviewed in June, 1970
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
3000.14.5798.0285.3737.95
3100.14.5898.5085.7839.40
3200.14.5998.9686.1940.86
3300.14.5999.4186.5842.32
3400.14.6099.8486.9743.78
3500.14.60100.387.3445.24
3600.14.60100.787.7146.70
3700.14.60101.188.0648.16
3800.14.60101.588.4149.62
3900.14.60101.888.7551.08
4000.14.59102.289.0852.54
4100.14.59102.689.4154.00
4200.14.59102.989.7255.46
4300.14.58103.390.0356.92
4400.14.57103.690.3458.37
4500.14.57103.990.6459.83
4600.14.56104.390.9361.29
4700.14.56104.691.2262.74
4800.14.55104.991.5064.20
4900.14.54105.291.7765.65
5000.14.54105.592.0567.11
5100.14.53105.892.3168.56
5200.14.52106.092.5770.01
5300.14.52106.392.8371.46
5400.14.51106.693.0872.92
5500.14.51106.993.3374.37
5600.14.50107.193.5775.82
5700.14.50107.493.8177.27
5800.14.50107.694.0578.72
5900.14.50107.994.2880.17
6000.14.50108.194.5181.62

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