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lithium metaborate


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) 3000. - 6000.
A 19.42780
B 0.237127
C -0.046347
D 0.003124
E -1.399420
F -163.8390
G 84.35490
H -154.6000
ReferenceChase, 1998
Comment Data last reviewed in June, 1971
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
3000.19.65106.389.5750.22
3100.19.66107.090.1252.19
3200.19.68107.690.6554.16
3300.19.69108.291.1756.13
3400.19.70108.891.6858.09
3500.19.71109.392.1860.07
3600.19.72109.992.6662.04
3700.19.73110.493.1464.01
3800.19.73111.093.6065.98
3900.19.74111.594.0567.96
4000.19.75112.094.4969.93
4100.19.75112.594.9371.91
4200.19.76112.995.3573.88
4300.19.76113.495.7675.86
4400.19.77113.996.1777.83
4500.19.77114.396.5779.81
4600.19.78114.796.9681.79
4700.19.78115.297.3483.77
4800.19.78115.697.7285.74
4900.19.79116.098.0887.72
5000.19.79116.498.4589.70
5100.19.79116.898.8091.68
5200.19.80117.299.1593.66
5300.19.80117.599.5095.64
5400.19.80117.999.8397.62
5500.19.80118.3100.299.60
5600.19.81118.6100.5101.6
5700.19.81119.0100.8103.6
5800.19.81119.3101.1105.5
5900.19.82119.7101.4107.5
6000.19.82120.0101.7109.5

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