silicon 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) 298. - 6000.
A 8.458571
B 0.515452
C -0.131606
D 0.013661
E -0.076078
F -7.598500
G 63.61150
H -4.799960
ReferenceChase, 1998
Comment Data last reviewed in December, 1976
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.7.7453.9553.95-0.00
300.7.7654.0053.950.01
400.8.1756.2954.260.81
500.8.3858.1454.861.64
600.8.5159.6855.542.49
700.8.6061.0056.233.34
800.8.6762.1656.904.21
900.8.7363.1857.545.08
1000.8.7864.1058.155.95
1100.8.8264.9458.736.83
1200.8.8665.7159.287.72
1300.8.8966.4259.808.61
1400.8.9267.0860.309.50
1500.8.9567.7060.7710.39
1600.8.9768.2861.2211.29
1700.9.0068.8261.6512.18
1800.9.0269.3462.0713.08
1900.9.0469.8262.4613.99
2000.9.0570.2962.8414.89
2100.9.0770.7363.2115.80
2200.9.0971.1563.5616.71
2300.9.1071.5663.9017.61
2400.9.1171.9464.2318.53
2500.9.1372.3264.5419.44
2600.9.1472.6764.8520.35
2700.9.1573.0265.1421.26
2800.9.1673.3565.4322.18
2900.9.1773.6765.7123.10
3000.9.1873.9965.9824.01
3100.9.1974.2966.2424.93
3200.9.2074.5866.5025.85
3300.9.2174.8666.7526.77
3400.9.2275.1466.9927.69
3500.9.2375.4067.2328.62
3600.9.2475.6667.4629.54
3700.9.2575.9267.6830.47
3800.9.2676.1667.9031.39
3900.9.2776.4168.1232.32
4000.9.2876.6468.3333.25
4100.9.3076.8768.5334.17
4200.9.3177.0968.7435.10
4300.9.3277.3168.9336.04
4400.9.3477.5369.1336.97
4500.9.3577.7469.3137.90
4600.9.3777.9469.5038.84
4700.9.3978.1569.6839.78
4800.9.4178.3469.8640.72
4900.9.4378.5470.0441.66
5000.9.4578.7370.2142.60
5100.9.4778.9270.3843.55
5200.9.5079.1070.5444.50
5300.9.5279.2870.7145.45
5400.9.5579.4670.8746.40
5500.9.5879.6371.0247.36
5600.9.6179.8171.1848.32
5700.9.6579.9871.3349.28
5800.9.6880.1571.4850.25
5900.9.7280.3171.6351.22
6000.9.7680.4871.7852.19

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