Sulfur pentamer


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) 298. - 6000.
A 25.55801
B 0.252976
C 0.000009
D -7.335770×10-7
E -0.377103
F -8.896121
G 102.4990
H 0.000000
ReferenceChase, 1998
Comment Data last reviewed in September, 1977
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.21.3973.7673.77-0.00
300.21.4473.9073.770.04
400.23.3080.3674.632.29
500.24.1885.6676.334.67
600.24.6690.1278.267.11
700.24.9793.9480.249.60
800.25.1797.2982.1612.10
900.25.32100.384.0114.63
1000.25.43102.985.7817.17
1100.25.52105.487.4519.71
1200.25.60107.689.0422.27
1300.25.66109.690.5424.83
1400.25.72111.591.9827.40
1500.25.77113.393.3429.98
1600.25.82115.094.6432.56
1700.25.86116.695.8935.14
1800.25.90118.097.0837.73
1900.25.93119.498.2240.32
2000.25.97120.899.3142.91
2100.26.00122.0100.445.51
2200.26.04123.2101.448.12
2300.26.07124.4102.450.72
2400.26.10125.5103.353.33
2500.26.13126.6104.255.94
2600.26.16127.6105.158.55
2700.26.19128.6105.961.17
2800.26.22129.5106.863.79
2900.26.25130.5107.666.42
3000.26.28131.4108.369.04
3100.26.30132.2109.171.67
3200.26.33133.1109.874.30
3300.26.36133.9110.676.94
3400.26.39134.7111.279.57
3500.26.41135.4111.982.21
3600.26.44136.2112.684.86
3700.26.47136.9113.287.50
3800.26.49137.6113.990.15
3900.26.52138.3114.592.80
4000.26.55139.0115.195.45
4100.26.57139.6115.798.11
4200.26.60140.3116.3100.8
4300.26.63140.9116.8103.4
4400.26.65141.5117.4106.1
4500.26.68142.1117.9108.8
4600.26.70142.7118.5111.4
4700.26.73143.2119.0114.1
4800.26.76143.8119.5116.8
4900.26.78144.4120.0119.5
5000.26.81144.9120.5122.1
5100.26.83145.4121.0124.8
5200.26.86146.0121.4127.5
5300.26.89146.5121.9130.2
5400.26.91147.0122.4132.9
5500.26.94147.5122.8135.6
5600.26.96148.0123.3138.3
5700.26.99148.4123.7141.0
5800.27.01148.9124.1143.7
5900.27.04149.4124.6146.4
6000.27.07149.8125.0149.1

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