Silylidyne


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. - 1400.1400. - 6000.
A 23.5512837.78273
B 13.414320.245072
C -2.700940-0.009243
D -0.5155860.020891
E 0.249938-4.759718
F 369.9087356.3308
G 224.0766233.3153
H 376.6625376.6625
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1976 Data last reviewed in December, 1976
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.30.11198.0198.0-0.00
300.30.10198.2198.00.06
400.30.01206.9199.23.05
500.30.52213.6201.46.08
600.31.21219.2204.09.16
700.31.95224.1206.512.32
800.32.68228.4209.015.55
900.33.37232.3211.318.86
1000.34.00235.8213.622.23
1100.34.56239.1215.825.65
1200.35.04242.1217.929.13
1300.35.44245.0219.832.66
1400.35.75247.6221.736.22
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1400.35.74247.6221.736.22
1500.36.08250.1223.539.81
1600.36.38252.4225.343.43
1700.36.63254.6226.947.08
1800.36.85256.7228.550.76
1900.37.04258.7230.154.45
2000.37.21260.6231.558.16
2100.37.37262.4233.061.89
2200.37.52264.2234.465.64
2300.37.65265.9235.769.39
2400.37.78267.5237.073.17
2500.37.90269.0238.276.95
2600.38.02270.5239.480.75
2700.38.14271.9240.684.55
2800.38.25273.3241.888.37
2900.38.36274.7242.992.20
3000.38.47276.0244.096.05
3100.38.58277.2245.099.90
3200.38.69278.5246.0103.8
3300.38.80279.7247.0107.6
3400.38.92280.8248.0111.5
3500.39.03281.9249.0115.4
3600.39.15283.0249.9119.3
3700.39.27284.1250.8123.3
3800.39.40285.2251.7127.2
3900.39.52286.2252.6131.1
4000.39.65287.2253.4135.1
4100.39.79288.2254.3139.1
4200.39.93289.1255.1143.0
4300.40.07290.1255.9147.0
4400.40.22291.0256.7151.1
4500.40.37291.9257.4155.1
4600.40.52292.8258.2159.1
4700.40.68293.7258.9163.2
4800.40.85294.5259.7167.3
4900.41.02295.4260.4171.4
5000.41.20296.2261.1175.5
5100.41.38297.0261.8179.6
5200.41.57297.8262.5183.8
5300.41.76298.6263.2187.9
5400.41.96299.4263.8192.1
5500.42.17300.2264.5196.3
5600.42.38300.9265.1200.5
5700.42.60301.7265.8204.8
5800.42.83302.4266.4209.1
5900.43.06303.2267.0213.4
6000.43.30303.9267.6217.7

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