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iron dibromide


Gas Phase Heat Capacity (Shomate Equation)

Go To: Top, References, Notes

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) 2000. - 6000.
A 13.82470
B 1.831160
C -0.462667
D 0.034380
E -0.414856
F -14.49850
G 96.69749
H -9.900110
ReferenceChase, 1998
Comment Data last reviewed in September, 1966
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
2000.15.81109.296.2525.82
2100.15.85109.996.8827.41
2200.15.89110.797.4929.00
2300.15.93111.498.0830.59
2400.15.96112.198.6532.18
2500.15.98112.799.2033.78
2600.16.00113.399.7335.38
2700.16.02113.9100.236.98
2800.16.03114.5100.738.58
2900.16.03115.1101.240.18
3000.16.04115.6101.741.79
3100.16.04116.2102.243.39
3200.16.03116.7102.644.99
3300.16.03117.2103.046.60
3400.16.02117.6103.548.20
3500.16.01118.1103.949.80
3600.15.99118.6104.351.40
3700.15.98119.0104.753.00
3800.15.96119.4105.054.60
3900.15.94119.8105.456.19
4000.15.92120.2105.857.78
4100.15.90120.6106.159.37
4200.15.88121.0106.560.96
4300.15.85121.4106.862.55
4400.15.83121.7107.264.13
4500.15.81122.1107.565.72
4600.15.78122.4107.867.30
4700.15.76122.8108.168.87
4800.15.74123.1108.470.45
4900.15.72123.4108.772.02
5000.15.69123.8109.073.59
5100.15.67124.1109.375.16
5200.15.65124.4109.676.73
5300.15.64124.7109.978.29
5400.15.62125.0110.279.85
5500.15.61125.3110.481.42
5600.15.59125.5110.782.98
5700.15.58125.8111.084.53
5800.15.58126.1111.286.09
5900.15.57126.3111.587.65
6000.15.57126.6111.789.21

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