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Cyanogen 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. - 1200.1200. - 6000.
A 49.2632560.08266
B 7.5608651.205993
C 3.675051-0.234558
D -2.8805080.015758
E -0.297113-4.021343
F 209.8895199.1258
G 312.8946318.3991
H 225.9364225.9364
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1969 Data last reviewed in June, 1969
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.48.42257.3257.3-0.01
300.48.48257.6257.30.09
400.50.83271.9259.35.07
500.52.41283.5263.010.23
600.53.68293.1267.215.54
700.54.76301.5271.520.96
800.55.72308.9275.826.49
900.56.58315.5279.832.10
1000.57.32321.5283.737.80
1100.57.95327.0287.443.56
1200.58.44332.0290.949.38
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1200.58.43332.0290.949.38
1300.58.91336.7294.255.25
1400.59.30341.1297.461.16
1500.59.63345.2300.567.11
1600.59.91349.1303.473.08
1700.60.14352.7306.279.09
1800.60.34356.2308.985.11
1900.60.52359.4311.491.15
2000.60.68362.5313.997.21
2100.60.81365.5316.3103.3
2200.60.94368.3318.6109.4
2300.61.05371.0320.8115.5
2400.61.15373.6323.0121.6
2500.61.23376.1325.1127.7
2600.61.31378.5327.1133.8
2700.61.39380.9329.0140.0
2800.61.45383.1330.9146.1
2900.61.51385.2332.7152.3
3000.61.57387.3334.5158.4
3100.61.62389.4336.3164.6
3200.61.66391.3338.0170.7
3300.61.71393.2339.6176.9
3400.61.74395.1341.2183.1
3500.61.78396.8342.8189.3
3600.61.81398.6344.3195.4
3700.61.84400.3345.8201.6
3800.61.86401.9347.2207.8
3900.61.89403.5348.7214.0
4000.61.91405.1350.1220.2
4100.61.93406.6351.4226.4
4200.61.95408.1352.7232.6
4300.61.97409.6354.1238.8
4400.61.98411.0355.3245.0
4500.62.00412.4356.6251.2
4600.62.01413.8357.8257.4
4700.62.02415.1359.0263.6
4800.62.04416.4360.2269.8
4900.62.05417.7361.4276.0
5000.62.06418.9362.5282.2
5100.62.07420.2363.6288.4
5200.62.08421.4364.7294.6
5300.62.09422.6365.8300.8
5400.62.10423.7366.9307.0
5500.62.11424.9367.9313.2
5600.62.12426.0368.9319.4
5700.62.13427.1369.9325.6
5800.62.14428.2370.9331.9
5900.62.15429.2371.9338.1
6000.62.17430.3372.9344.3

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