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Disilicon carbide


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 9.31219014.99970
B 10.00030-1.674341
C -7.1372610.979375
D 1.876980-0.101708
E -0.0333050.166489
F 124.7270122.8300
G 66.3088074.65129
H 128.0000128.0000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1966 Data last reviewed in March, 1966
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.11.3357.9057.91-0.00
300.11.3557.9857.910.02
400.12.0861.3558.361.19
500.12.6364.1159.242.43
600.13.0666.4560.253.72
700.13.3968.4961.295.04
800.13.6570.2962.306.39
900.13.8671.9163.287.77
1000.14.0273.3864.229.16
1100.14.1574.7365.1110.57
1200.14.2675.9665.9711.99
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1200.14.3475.9765.9712.00
1300.14.3577.1166.7813.43
1400.14.3878.1867.5614.87
1500.14.4279.1768.3016.31
1600.14.4880.1069.0117.75
1700.14.5480.9869.6919.20
1800.14.6281.8270.3420.66
1900.14.7082.6170.9622.13
2000.14.8083.3771.5723.60
2100.14.9084.0972.1425.09
2200.15.0184.7972.7026.58
2300.15.1285.4673.2428.09
2400.15.2586.1073.7729.61
2500.15.3786.7374.2731.14
2600.15.5087.3374.7632.68
2700.15.6487.9275.2434.24
2800.15.7888.4975.7035.81
2900.15.9289.0576.1537.39
3000.16.0689.5976.5938.99
3100.16.2190.1277.0240.61
3200.16.3590.6477.4442.24
3300.16.5091.1477.8443.88
3400.16.6591.6478.2445.54
3500.16.7992.1278.6347.21
3600.16.9392.6079.0148.89
3700.17.0793.0679.3950.59
3800.17.2193.5279.7552.31
3900.17.3493.9780.1154.04
4000.17.4794.4180.4655.78
4100.17.6094.8480.8157.53
4200.17.7295.2781.1559.30
4300.17.8395.6881.4861.07
4400.17.9496.1081.8162.86
4500.18.0496.5082.1364.66
4600.18.1396.9082.4566.47
4700.18.2197.2982.7668.29
4800.18.2997.6783.0770.11
4900.18.3598.0583.3771.94
5000.18.4198.4283.6773.78
5100.18.4598.7983.9675.62
5200.18.4899.1584.2577.47
5300.18.5099.5084.5379.32
5400.18.5199.8484.8181.17
5500.18.50100.285.0983.02
5600.18.48100.585.3684.87
5700.18.45100.885.6386.72
5800.18.40101.285.8988.56
5900.18.33101.586.1690.39
6000.18.25101.886.4192.22

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