Heptasulfur


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 154.9674
B 2.564655
C 0.000048
D -0.000005
E -1.976092
F -52.94559
G 583.3291
H 0.000000
ReferenceChase, 1998
Comment Data last reviewed in September, 1977
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.133.5407.6407.7-0.02
300.133.8408.5407.70.25
400.143.6448.5413.114.19
500.148.3481.1423.528.81
600.151.0508.5435.543.79
700.152.7531.9447.658.98
800.153.9552.3459.474.32
900.154.8570.5470.889.76
1000.155.6586.9481.6105.3
1100.156.2601.7491.9120.9
1200.156.7615.3501.6136.5
1300.157.1627.9510.8152.2
1400.157.5639.6519.6167.9
1500.157.9650.4528.0183.7
1600.158.3660.7536.0199.5
1700.158.6670.3543.6215.4
1800.159.0679.3550.9231.2
1900.159.3687.9557.9247.2
2000.159.6696.1564.6263.1
2100.159.9703.9571.0279.1
2200.160.2711.4577.2295.1
2300.160.5718.5583.2311.1
2400.160.8725.3589.0327.2
2500.161.1731.9594.6343.3
2600.161.3738.2600.0359.4
2700.161.6744.3605.2375.5
2800.161.9750.2610.3391.7
2900.162.2755.9615.2407.9
3000.162.4761.4620.0424.2
3100.162.7766.7624.6440.4
3200.163.0771.9629.2456.7
3300.163.2776.9633.6473.0
3400.163.5781.8637.9489.3
3500.163.8786.5642.0505.7
3600.164.0791.1646.1522.1
3700.164.3795.6650.1538.5
3800.164.6800.0654.0555.0
3900.164.8804.3657.8571.4
4000.165.1808.5661.5587.9
4100.165.4812.6665.1604.5
4200.165.6816.5668.7621.0
4300.165.9820.4672.2637.6
4400.166.2824.3675.6654.2
4500.166.4828.0678.9670.8
4600.166.7831.7682.2687.5
4700.166.9835.2685.4704.1
4800.167.2838.8688.6720.9
4900.167.5842.2691.7737.6
5000.167.7845.6694.7754.3
5100.168.0848.9697.7771.1
5200.168.2852.2700.7787.9
5300.168.5855.4703.6804.8
5400.168.7858.5706.4821.6
5500.169.0861.6709.2838.5
5600.169.3864.7711.9855.4
5700.169.5867.7714.6872.4
5800.169.8870.6717.3889.3
5900.170.0873.5719.9906.3
6000.170.3876.4722.5923.4

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