tungsten


Solid 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. - 1900.1900. - 3680.
A 23.95930-22.57640
B 2.63968090.27980
C 1.257750-44.27150
D -0.2546427.176630
E -0.048407-24.09740
F -7.433250-9.978731
G 60.54290-14.24470
H 0.0000000.000000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1966 Data last reviewed in June, 1966
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.24.3132.6532.66-0.00
300.24.3232.8132.660.05
400.24.9039.8933.622.51
500.25.3745.5035.465.02
600.25.8150.1637.537.58
700.26.2454.1739.6310.18
800.26.6757.7141.6712.83
900.27.1160.8743.6315.52
1000.27.5563.7545.5018.25
1100.28.0166.4047.2821.03
1200.28.4668.8548.9823.85
1300.28.9371.1550.6026.72
1400.29.4073.3152.1429.64
1500.29.8775.3653.6232.60
1600.30.3477.3055.0435.61
1700.30.8179.1556.4138.67
1800.31.2980.9357.7241.77
1900.31.7682.6358.9944.93
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1900.31.6882.6358.9944.93
2000.32.2984.2760.2148.13
2100.32.7785.8661.3951.38
2200.33.2087.3962.5454.68
2300.33.6388.8863.6558.02
2400.34.1290.3264.7461.41
2500.34.7191.7365.7964.85
2600.35.4593.1066.8168.35
2700.36.3994.4667.8171.94
2800.37.5995.8068.7975.64
2900.39.0897.1469.7479.47
3000.40.9198.5070.6883.47
3100.43.1399.8871.6087.67
3200.45.79101.372.5092.11
3300.48.92102.773.4096.84
3400.52.58104.374.28101.9
3500.56.81105.875.16107.4
3600.61.65107.576.03113.3

References

Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References