Diiron tetrabromide


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) 298. - 6000.
A 127.1175
B 8.351391
C -1.868947
D 0.121450
E 0.156764
F -290.8591
G 668.4735
H -253.1324
ReferenceChase, 1998
Comment Data last reviewed in September, 1966
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.131.2516.1516.2-0.02
300.131.2517.0516.20.25
400.131.1554.7521.313.36
500.131.5584.0531.026.49
600.131.9608.0541.939.66
700.132.4628.4552.852.87
800.132.9646.1563.466.14
900.133.4661.8573.579.45
1000.133.9675.9583.092.82
1100.134.3688.6592.1106.2
1200.134.8700.3600.6119.7
1300.135.2711.1608.7133.2
1400.135.6721.2616.4146.7
1500.135.9730.5623.7160.3
1600.136.3739.3630.6173.9
1700.136.6747.6637.3187.5
1800.136.9755.4643.6201.2
1900.137.1762.8649.7214.9
2000.137.4769.9655.5228.6
2100.137.6776.6661.1242.4
2200.137.8783.0666.5256.1
2300.137.9789.1671.7269.9
2400.138.1795.0676.7283.7
2500.138.2800.6681.6297.6
2600.138.4806.0686.3311.4
2700.138.5811.3690.8325.2
2800.138.5816.3695.2339.1
2900.138.6821.2699.5352.9
3000.138.6825.9703.6366.8
3100.138.7830.4707.6380.7
3200.138.7834.8711.5394.5
3300.138.7839.1715.3408.4
3400.138.7843.2719.0422.3
3500.138.7847.2722.6436.1
3600.138.6851.1726.1450.0
3700.138.6854.9729.6463.9
3800.138.5858.6732.9477.7
3900.138.5862.2736.2491.6
4000.138.4865.7739.4505.4
4100.138.3869.2742.5519.3
4200.138.2872.5745.6533.1
4300.138.1875.7748.6546.9
4400.138.0878.9751.5560.7
4500.137.9882.0754.3574.5
4600.137.8885.0757.2588.3
4700.137.7888.0759.9602.1
4800.137.6890.9762.6615.8
4900.137.5893.7765.3629.6
5000.137.3896.5767.8643.3
5100.137.2899.2770.4657.1
5200.137.1901.9772.9670.8
5300.137.0904.5775.4684.5
5400.136.8907.1777.8698.2
5500.136.7909.6780.1711.8
5600.136.6912.0782.5725.5
5700.136.5914.5784.8739.2
5800.136.4916.8787.0752.8
5900.136.3919.2789.3766.4
6000.136.2921.4791.4780.1

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