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Pentaborane(9)


Liquid 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. - 700.700. - 1500.
A 1777.865-50.81426
B -6068.264647.6665
C 8247.877-432.3746
D -3628.812101.0612
E -40.423469.259443
F -419.144855.06353
G 3582.106-20.65126
H 42.8441642.84416
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1965 Data last reviewed in March, 1965
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.150.7183.2184.4-0.38
300.152.6184.2184.4-0.07
400.185.3234.5190.817.48
500.190.4276.3203.836.22
600.210.0312.5219.056.09
700.244.4347.3234.878.73
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
700.244.2347.0234.578.73
800.256.8380.5250.7103.8
900.267.0411.3266.9130.0
1000.274.8439.9282.8157.1
1100.280.6466.4298.3184.9
1200.284.8491.0313.3213.2
1300.287.9513.9327.9241.8
1400.290.5535.3341.9270.8
1500.293.0555.5355.5299.9

References

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