Hydrogen fluoride


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. to 1400.1400. to 6000.
A 131.2697208.3971
B 99.4503311.98783
C -45.24787-2.197287
D 9.2101980.140906
E -1.771687-30.05095
F -1538.842-1611.978
G 529.5856584.9692
H -1489.713-1489.713
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1977 Data last reviewed in June, 1977
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.137.2408.3408.4-0.03
300.137.6409.3408.50.24
400.153.3451.2414.114.86
500.163.7486.6425.130.74
600.171.7517.2438.047.53
700.178.3544.2451.265.04
800.183.8568.3464.483.15
900.188.7590.3477.2101.8
1000.192.9610.4489.5120.9
1100.196.7628.9501.4140.3
1200.200.1646.2512.7160.2
1300.203.3662.3523.6180.4
1400.206.2677.5534.1200.8
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1400.205.9677.5534.1200.8
1500.208.6691.8544.1221.6
1600.210.8705.3553.8242.5
1700.212.7718.2563.1263.7
1800.214.4730.4572.0285.1
1900.215.9742.0580.7306.6
2000.217.2753.1589.0328.2
2100.218.4763.8597.1350.0
2200.219.4773.9604.9371.9
2300.220.4783.7612.5393.9
2400.221.2793.1619.8416.0
2500.222.0802.2626.9438.1
2600.222.7810.9633.8460.4
2700.223.4819.3640.5482.7
2800.224.0827.4647.1505.1
2900.224.5835.3653.4527.5
3000.225.1842.9659.6550.0
3100.225.5850.3665.6572.5
3200.225.9857.5671.5595.1
3300.226.3864.4677.3617.7
3400.226.7871.2682.9640.3
3500.227.0877.8688.3663.0
3600.227.3884.2693.7685.7
3700.227.6890.4698.9708.5
3800.227.9896.5704.0731.3
3900.228.1902.4709.1754.1
4000.228.3908.2714.0776.9
4100.228.5913.8718.8799.7
4200.228.7919.3723.5822.6
4300.228.9924.7728.1845.5
4400.229.1930.0732.6868.4
4500.229.2935.1737.1891.3
4600.229.3940.2741.4914.2
4700.229.5945.1745.7937.1
4800.229.6949.9749.9960.1
4900.229.7954.7754.0983.1
5000.229.8959.3758.11006.
5100.229.9963.9762.11029.
5200.230.0968.3766.01052.
5300.230.1972.7769.91075.
5400.230.2977.0773.71098.
5500.230.3981.2777.41121.
5600.230.4985.4781.11144.
5700.230.5989.5784.71167.
5800.230.6993.5788.31190.
5900.230.7997.4791.81213.
6000.230.81001.795.21236.

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