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

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Temperature (K) 298. to 6000.
A 37.25894
B 0.807232
C -0.132263
D 0.023192
E -0.117130
F 13.07751
G 296.8406
H 24.61401
ReferenceChase, 1998
Comment Data last reviewed in December, 1974
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.36.17252.6252.6-0.01
300.36.19252.9252.60.07
400.36.83263.4254.13.72
500.37.16271.6256.87.42
600.37.38278.4259.811.15
700.37.53284.2262.914.90
800.37.65289.2265.918.66
900.37.75293.7268.722.43
1000.37.84297.6271.426.20
1100.37.92301.3274.029.99
1200.38.00304.6276.433.79
1300.38.07307.6278.737.59
1400.38.13310.4280.941.40
1500.38.20313.1282.945.22
1600.38.26315.5284.949.04
1700.38.32317.9286.852.87
1800.38.38320.0288.556.71
1900.38.44322.1290.360.55
2000.38.50324.1291.964.39
2100.38.56326.0293.568.25
2200.38.62327.8295.072.11
2300.38.68329.5296.575.97
2400.38.73331.1297.979.84
2500.38.79332.7299.283.72
2600.38.85334.2300.587.60
2700.38.91335.7301.891.49
2800.38.98337.1303.195.38
2900.39.04338.5304.399.28
3000.39.10339.8305.4103.2
3100.39.17341.1306.5107.1
3200.39.24342.3307.6111.0
3300.39.31343.6308.7115.0
3400.39.38344.7309.8118.9
3500.39.45345.9310.8122.8
3600.39.52347.0311.8126.8
3700.39.60348.1312.7130.7
3800.39.68349.1313.7134.7
3900.39.76350.2314.6138.7
4000.39.85351.2315.5142.6
4100.39.94352.1316.4146.6
4200.40.03353.1317.2150.6
4300.40.12354.1318.1154.6
4400.40.22355.0318.9158.7
4500.40.32355.9319.7162.7
4600.40.43356.8320.5166.7
4700.40.53357.6321.3170.8
4800.40.65358.5322.1174.8
4900.40.76359.3322.8178.9
5000.40.88360.2323.6183.0
5100.41.01361.0324.3187.1
5200.41.14361.8325.0191.2
5300.41.27362.6325.7195.3
5400.41.41363.3326.4199.4
5500.41.55364.1327.1203.6
5600.41.70364.8327.7207.8
5700.41.85365.6328.4211.9
5800.42.01366.3329.0216.1
5900.42.18367.0329.7220.3
6000.42.35367.7330.3224.6

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