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

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Temperature (K) 3000. - 6000.
A 54.61040
B 4.504913
C -0.999135
D 0.069401
E -0.420852
F -374.3634
G 340.4454
H -356.4772
ReferenceChase, 1998
Comment Data last reviewed in June, 1970
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
3000.60.96410.1357.2158.8
3100.61.00412.1358.9164.9
3200.61.03414.0360.6171.0
3300.61.05415.9362.3177.1
3400.61.07417.7363.9183.2
3500.61.08419.5365.4189.3
3600.61.08421.2367.0195.4
3700.61.09422.9368.4201.5
3800.61.08424.5369.9207.6
3900.61.07426.1371.3213.7
4000.61.06427.7372.7219.8
4100.61.04429.2374.1225.9
4200.61.02430.7375.4232.0
4300.61.00432.1376.7238.1
4400.60.98433.5378.0244.2
4500.60.95434.9379.2250.3
4600.60.93436.2380.5256.4
4700.60.90437.5381.7262.5
4800.60.87438.8382.8268.6
4900.60.84440.0384.0274.7
5000.60.81441.3385.1280.8
5100.60.79442.5386.2286.9
5200.60.76443.7387.3292.9
5300.60.74444.8388.4299.0
5400.60.72445.9389.5305.1
5500.60.70447.1390.5311.2
5600.60.68448.2391.5317.2
5700.60.67449.2392.5323.3
5800.60.66450.3393.5329.4
5900.60.65451.3394.5335.4
6000.60.65452.3395.4341.5

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