lithium hydride


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) 2000. - 6000.
A 36.28729
B 1.726031
C -0.246189
D 0.026761
E -1.821426
F 125.1104
G 207.9025
H 140.6242
ReferenceChase, 1998
Comment Data last reviewed in September, 1967
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
2000.38.51236.3205.960.87
2100.38.66238.2207.464.73
2200.38.80240.0208.868.61
2300.38.94241.7210.272.49
2400.39.07243.4211.676.39
2500.39.19245.0212.980.31
2600.39.31246.5214.184.23
2700.39.43248.0215.488.17
2800.39.55249.4216.592.12
2900.39.66250.8217.796.08
3000.39.77252.2218.8100.0
3100.39.88253.5219.9104.0
3200.39.99254.8221.0108.0
3300.40.10256.0222.0112.0
3400.40.20257.2223.1116.0
3500.40.31258.4224.0120.1
3600.40.42259.5225.0124.1
3700.40.53260.6226.0128.2
3800.40.63261.7226.9132.2
3900.40.74262.7227.8136.3
4000.40.85263.8228.7140.4
4100.40.96264.8229.5144.5
4200.41.07265.8230.4148.6
4300.41.19266.7231.2152.7
4400.41.30267.7232.1156.8
4500.41.42268.6232.9160.9
4600.41.54269.5233.6165.1
4700.41.66270.4234.4169.2
4800.41.78271.3235.2173.4
4900.41.91272.2235.9177.6
5000.42.04273.0236.7181.8
5100.42.17273.8237.4186.0
5200.42.30274.7238.1190.2
5300.42.44275.5238.8194.5
5400.42.58276.3239.5198.7
5500.42.73277.0240.1203.0
5600.42.87277.8240.8207.3
5700.43.03278.6241.5211.5
5800.43.18279.3242.1215.9
5900.43.34280.1242.7220.2
6000.43.51280.8243.4224.5

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