Tricarbon


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 1000.1000. to 6000.
A 26.3336443.89853
B 20.268305.491207
C 2.788842-0.819001
D -5.0491680.048698
E 0.466985-3.879841
F 812.8717798.2737
G 265.6380278.3469
H 820.0640820.0640
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1969 Data last reviewed in December, 1969
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.37.75237.2237.20.00
300.37.72237.5237.20.08
400.37.48248.3238.73.82
500.38.40256.7241.57.61
600.39.71263.8244.611.52
700.41.11270.1247.815.56
800.42.48275.6251.019.74
900.43.73280.7254.024.05
1000.44.81285.4256.928.48
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1000.44.74285.4256.928.47
1100.45.81289.7259.733.00
1200.46.70293.7262.437.63
1300.47.46297.5264.942.34
1400.48.14301.0267.447.12
1500.48.73304.4269.751.96
1600.49.27307.5272.056.86
1700.49.76310.5274.261.81
1800.50.22313.4276.366.81
1900.50.63316.1278.371.86
2000.51.02318.7280.376.94
2100.51.39321.2282.282.06
2200.51.73323.6284.087.22
2300.52.05325.9285.892.41
2400.52.36328.2287.597.63
2500.52.65330.3289.2102.9
2600.52.92332.4290.8108.2
2700.53.18334.4292.4113.5
2800.53.43336.3293.9118.8
2900.53.66338.2295.4124.1
3000.53.88340.0296.8129.5
3100.54.10341.8298.3134.9
3200.54.30343.5299.7140.3
3300.54.49345.2301.0145.8
3400.54.68346.8302.3151.2
3500.54.86348.4303.6156.7
3600.55.03349.9304.9162.2
3700.55.19351.5306.1167.7
3800.55.34352.9307.3173.3
3900.55.49354.4308.5178.8
4000.55.63355.8309.7184.3
4100.55.77357.2310.8189.9
4200.55.90358.5311.9195.5
4300.56.03359.8313.0201.1
4400.56.15361.1314.1206.7
4500.56.27362.4315.2212.3
4600.56.38363.6316.2218.0
4700.56.50364.8317.2223.6
4800.56.60366.0318.2229.3
4900.56.71367.2319.2234.9
5000.56.81368.3320.2240.6
5100.56.91369.5321.2246.3
5200.57.01370.6322.1252.0
5300.57.11371.6323.0257.7
5400.57.20372.7323.9263.4
5500.57.30373.8324.8269.1
5600.57.39374.8325.7274.9
5700.57.49375.8326.6280.6
5800.57.58376.8327.4286.4
5900.57.68377.8328.3292.1
6000.57.77378.8329.1297.9

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