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Magnesium fluoride


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 13.31510
B 0.498786
C -0.133767
D 0.011342
E -0.177891
F -178.2870
G 76.25820
H -173.7000
ReferenceChase, 1998
Comment Data last reviewed in June, 1975
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
3000.13.8991.8979.6636.69
3100.13.9092.3580.0738.08
3200.13.9092.7980.4639.47
3300.13.9093.2280.8440.86
3400.13.9093.6381.2142.25
3500.13.8994.0381.5743.64
3600.13.8994.4381.9245.02
3700.13.8994.8182.2646.41
3800.13.8995.1882.6047.80
3900.13.8995.5482.9249.19
4000.13.8895.8983.2450.58
4100.13.8896.2383.5651.97
4200.13.8896.5783.8653.36
4300.13.8896.8984.1654.74
4400.13.8897.2184.4556.13
4500.13.8897.5284.7457.52
4600.13.8797.8385.0258.91
4700.13.8798.1385.3060.30
4800.13.8798.4285.5761.68
4900.13.8798.7185.8363.07
5000.13.8898.9986.0964.46
5100.13.8899.2686.3565.85
5200.13.8899.5386.6067.23
5300.13.8899.7986.8568.62
5400.13.89100.187.0970.01
5500.13.89100.387.3371.40
5600.13.90100.687.5672.79
5700.13.91100.887.7974.18
5800.13.92101.088.0275.57
5900.13.93101.388.2476.96
6000.13.94101.588.4678.35

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