boron


Gas Phase Heat Capacity (Shomate Equation)

Go To: Top, References, Notes

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.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) 4137.895 - 6000.
A 20.65193
B 0.226427
C -0.112330
D 0.016889
E 0.008714
F 553.8654
G 178.4179
H 559.9991
ReferenceChase, 1998
Comment Data last reviewed in June, 1983
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
4138.20.86208.1188.879.84
4200.20.87208.4189.181.14
4300.20.89208.9189.683.23
4400.20.91209.4190.085.32
4500.20.94209.9190.487.41
4600.20.96210.3190.989.50
4700.20.99210.8191.391.60
4800.21.02211.2191.793.70
4900.21.05211.7192.195.81
5000.21.09212.1192.597.91
5100.21.13212.5192.9100.0
5200.21.17212.9193.3102.1
5300.21.21213.3193.6104.3
5400.21.26213.7194.0106.4
5500.21.31214.1194.4108.5
5600.21.36214.5194.7110.6
5700.21.42214.9195.1112.8
5800.21.48215.2195.4114.9
5900.21.55215.6195.8117.1
6000.21.61216.0196.1119.2

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