Lead iodide


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. to 6000.
A 8.942680
B -0.044785
C 0.165290
D -0.016872
E -0.004233
F 23.07090
G 77.75619
H 25.75000
ReferenceChase, 1998
Comment Data last reviewed in December, 1973
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.8.9066.9566.95-0.00
300.8.9067.0166.950.02
400.8.9269.5767.300.91
500.8.9471.5667.961.80
600.8.9673.2068.702.70
700.8.9874.5869.443.59
800.9.0075.7870.164.49
900.9.0276.8470.855.39
1000.9.0477.7971.496.30
1100.9.0778.6572.117.20
1200.9.0979.4472.698.11
1300.9.1280.1773.239.02
1400.9.1680.8573.759.93
1500.9.1981.4874.2510.85
1600.9.2282.0874.7211.77
1700.9.2682.6475.1712.70
1800.9.3083.1775.6013.62
1900.9.3483.6776.0114.56
2000.9.3884.1576.4115.49
2100.9.4284.6176.7916.43
2200.9.4685.0577.1517.38
2300.9.5185.4777.5018.32
2400.9.5585.8877.8419.28
2500.9.6086.2778.1720.24
2600.9.6586.6478.4921.20
2700.9.6987.0178.8022.16
2800.9.7487.3679.1023.14
2900.9.7987.7179.3924.11
3000.9.8488.0479.6725.09
3100.9.8988.3679.9526.08
3200.9.9488.6880.2227.07
3300.9.9988.9880.4828.07
3400.10.0489.2880.7329.07
3500.10.0989.5780.9830.08
3600.10.1489.8681.2231.09
3700.10.1890.1481.4632.10
3800.10.2390.4181.6933.12
3900.10.2890.6881.9234.15
4000.10.3390.9482.1435.18
4100.10.3791.1982.3636.22
4200.10.4291.4482.5737.26
4300.10.4691.6982.7838.30
4400.10.5191.9382.9939.35
4500.10.5592.1783.1940.40
4600.10.5992.4083.3941.46
4700.10.6392.6383.5842.52
4800.10.6792.8583.7743.58
4900.10.7193.0783.9644.65
5000.10.7493.2984.1445.73
5100.10.7893.5084.3246.80
5200.10.8193.7184.5047.88
5300.10.8493.9284.6848.96
5400.10.8694.1284.8550.05
5500.10.8994.3285.0251.14
5600.10.9194.5285.1952.23
5700.10.9394.7185.3553.32
5800.10.9594.9085.5254.41
5900.10.9795.0985.6855.51
6000.10.9895.2785.8456.61

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