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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) 2000. to 6000.
A 57.84254
B 7.661573
C -1.935800
D 0.143845
E -1.735758
F -60.66172
G 404.5823
H -41.42206
ReferenceChase, 1998
Comment Data last reviewed in September, 1966
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
2000.66.14456.7402.7108.0
2100.66.33460.0405.4114.7
2200.66.50463.0407.9121.3
2300.66.65466.0410.4128.0
2400.66.77468.8412.7134.6
2500.66.87471.6415.0141.3
2600.66.95474.2417.3148.0
2700.67.01476.7419.4154.7
2800.67.05479.2421.5161.4
2900.67.08481.5423.5168.1
3000.67.10483.8425.5174.8
3100.67.10486.0427.4181.5
3200.67.08488.1429.3188.3
3300.67.05490.2431.1195.0
3400.67.02492.2432.9201.7
3500.66.97494.1434.6208.4
3600.66.91496.0436.3215.1
3700.66.85497.8437.9221.7
3800.66.78499.6439.5228.4
3900.66.70501.4441.1235.1
4000.66.61503.1442.6241.8
4100.66.52504.7444.1248.4
4200.66.43506.3445.6255.1
4300.66.34507.9447.0261.7
4400.66.24509.4448.4268.3
4500.66.14510.9449.8275.0
4600.66.04512.3451.1281.6
4700.65.95513.7452.4288.2
4800.65.85515.1453.7294.8
4900.65.76516.5455.0301.3
5000.65.67517.8456.2307.9
5100.65.58519.1457.5314.5
5200.65.50520.4458.7321.0
5300.65.43521.6459.8327.6
5400.65.36522.9461.0334.1
5500.65.30524.1462.1340.6
5600.65.25525.2463.2347.2
5700.65.21526.4464.3353.7
5800.65.17527.5465.4360.2
5900.65.15528.6466.5366.7
6000.65.15529.7467.5373.2

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