Dirubidium


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) 298. to 1600.1600. to 6000.
A 31.0117223.36057
B 33.14000-1.449995
C -43.216120.283294
D 13.22571-0.018772
E 0.06100014.83354
F 103.1256131.1956
G 300.8422325.0767
H 113.2902113.2902
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1983 Data last reviewed in December, 1983
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.38.09271.0271.1-0.01
300.38.10271.3271.10.06
400.38.58282.3272.63.90
500.38.67290.9275.47.77
600.38.36298.0278.611.62
700.37.69303.8281.815.43
800.36.73308.8284.919.15
900.35.55313.1287.822.77
1000.34.22316.8290.526.26
1100.32.83319.9293.029.61
1200.31.44322.7295.432.82
1300.30.15325.2297.635.90
1400.29.03327.4299.638.86
1500.28.15329.4301.641.72
1600.27.60331.2303.444.50
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1600.27.48331.2303.444.51
1700.26.75332.8305.047.22
1800.26.14334.3306.649.87
1900.25.61335.7308.152.45
2000.25.15337.0309.554.99
2100.24.75338.2310.957.49
2200.24.41339.4312.159.94
2300.24.10340.5313.462.37
2400.23.83341.5314.564.76
2500.23.59342.5315.667.13
2600.23.37343.4316.769.48
2700.23.18344.3317.771.81
2800.23.00345.1318.674.12
2900.22.84345.9319.676.41
3000.22.70346.7320.478.69
3100.22.57347.4321.380.95
3200.22.45348.1322.183.20
3300.22.35348.8322.985.44
3400.22.25349.5323.787.67
3500.22.16350.1324.489.89
3600.22.08350.8325.292.10
3700.22.01351.4325.994.31
3800.21.94351.9326.596.51
3900.21.88352.5327.298.70
4000.21.82353.1327.8100.9
4100.21.77353.6328.5103.1
4200.21.72354.1329.1105.2
4300.21.67354.6329.7107.4
4400.21.63355.1330.2109.6
4500.21.59355.6330.8111.7
4600.21.56356.1331.3113.9
4700.21.53356.6331.9116.0
4800.21.50357.0332.4118.2
4900.21.47357.5332.9120.3
5000.21.44357.9333.4122.5
5100.21.41358.3333.9124.6
5200.21.39358.7334.3126.8
5300.21.37359.1334.8128.9
5400.21.34359.5335.3131.0
5500.21.32359.9335.7133.2
5600.21.30360.3336.1135.3
5700.21.28360.7336.6137.4
5800.21.26361.1337.0139.6
5900.21.24361.4337.4141.7
6000.21.22361.8337.8143.8

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