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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 (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. - 1200.1200. - 6000.
A 11.7742014.36010
B 1.8070910.288239
C 0.878358-0.056061
D -0.6884580.003766
E -0.071012-0.961124
F 50.1647947.59221
G 74.7836076.09921
H 54.0001054.00010
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1969 Data last reviewed in June, 1969
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.11.5761.5061.51-0.00
300.11.5961.5861.510.02
400.12.1565.0061.971.21
500.12.5367.7562.862.45
600.12.8370.0663.873.71
700.13.0972.0664.905.01
800.13.3273.8265.916.33
900.13.5275.4066.887.67
1000.13.7076.8467.809.03
1100.13.8578.1568.6810.41
1200.13.9779.3669.5211.80
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1200.13.9679.3669.5211.80
1300.14.0880.4870.3213.20
1400.14.1781.5371.0914.62
1500.14.2582.5171.8216.04
1600.14.3283.4372.5117.47
1700.14.3784.3073.1818.90
1800.14.4285.1273.8220.34
1900.14.4685.9074.4421.79
2000.14.5086.6575.0323.23
2100.14.5487.3675.6024.69
2200.14.5688.0376.1526.14
2300.14.5988.6876.6827.60
2400.14.6189.3077.1929.06
2500.14.6489.9077.6930.52
2600.14.6590.4778.1731.99
2700.14.6791.0378.6433.45
2800.14.6991.5679.0934.92
2900.14.7092.0879.5336.39
3000.14.7292.5879.9537.86
3100.14.7393.0680.3739.33
3200.14.7493.5380.7740.81
3300.14.7593.9881.1742.28
3400.14.7694.4281.5543.76
3500.14.7794.8581.9245.23
3600.14.7795.2682.2946.71
3700.14.7895.6782.6448.19
3800.14.7996.0682.9949.67
3900.14.7996.4583.3351.14
4000.14.8096.8283.6752.62
4100.14.8097.1983.9954.10
4200.14.8197.5484.3155.58
4300.14.8197.8984.6257.07
4400.14.8198.2384.9358.55
4500.14.8298.5785.2360.03
4600.14.8298.8985.5261.51
4700.14.8299.2185.8162.99
4800.14.8399.5286.0964.47
4900.14.8399.8386.3765.96
5000.14.83100.186.6467.44
5100.14.83100.486.9168.92
5200.14.84100.787.1770.41
5300.14.84101.087.4371.89
5400.14.84101.387.6873.38
5500.14.84101.587.9374.86
5600.14.85101.888.1876.34
5700.14.85102.188.4277.83
5800.14.85102.388.6679.31
5900.14.86102.688.8980.80
6000.14.86102.889.1282.29

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