Ethyne, chloro-


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. to 1400.1400. to 6000.
A 12.9074019.04060
B 7.4745700.893643
C -2.915801-0.163453
D 0.4497140.010466
E -0.169825-2.371711
F 46.3743140.56809
G 70.3990974.69089
H 51.1000051.10000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1968 Data last reviewed in December, 1968
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.12.9857.8357.84-0.00
300.13.0157.9257.840.02
400.14.4061.8758.371.40
500.15.2965.1859.412.89
600.15.9768.0360.614.45
700.16.5270.5461.866.08
800.16.9972.7763.087.75
900.17.3974.8064.279.47
1000.17.7576.6565.4211.23
1100.18.0678.3666.5213.02
1200.18.3479.9467.5714.84
1300.18.5881.4268.5816.69
1400.18.8082.8069.5518.56
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1400.18.7982.8069.5518.56
1500.18.9984.1170.4820.44
1600.19.1785.3471.3722.35
1700.19.3286.5072.2224.28
1800.19.4587.6173.0526.22
1900.19.5688.6773.8428.17
2000.19.6689.6774.6130.13
2100.19.7690.6475.3532.10
2200.19.8491.5676.0734.08
2300.19.9192.4476.7636.07
2400.19.9893.2977.4338.06
2500.20.0494.1178.0840.06
2600.20.0994.8978.7142.07
2700.20.1495.6579.3344.08
2800.20.1996.3879.9246.10
2900.20.2397.0980.5048.12
3000.20.2797.7881.0750.14
3100.20.3198.4581.6252.17
3200.20.3499.0982.1554.20
3300.20.3799.7282.6856.24
3400.20.40100.383.1958.28
3500.20.42100.983.6860.32
3600.20.44101.584.1762.36
3700.20.47102.184.6564.41
3800.20.49102.685.1166.45
3900.20.50103.185.5768.50
4000.20.52103.786.0170.56
4100.20.54104.286.4572.61
4200.20.55104.786.8874.66
4300.20.56105.187.3076.72
4400.20.58105.687.7178.78
4500.20.59106.188.1180.83
4600.20.60106.588.5082.89
4700.20.61107.088.8984.95
4800.20.62107.489.2787.02
4900.20.63107.889.6589.08
5000.20.64108.290.0291.14
5100.20.64108.790.3893.20
5200.20.65109.190.7395.27
5300.20.66109.491.0897.33
5400.20.67109.891.4399.40
5500.20.67110.291.76101.5
5600.20.68110.692.10103.5
5700.20.69111.092.42105.6
5800.20.70111.392.75107.7
5900.20.70111.793.06109.7
6000.20.71112.093.38111.8

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