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Dinitrogen trioxide


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. - 1100.1100. - 6000.
A 39.09663100.8737
B 114.80061.690785
C -81.97125-0.339747
D 21.772490.023407
E -0.088738-8.849160
F 66.4678630.72094
G 324.5776399.7498
H 82.8432082.84320
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1964 Data last reviewed in December, 1964
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.65.60308.5308.5-0.01
300.65.76308.9308.50.12
400.72.74328.9311.27.06
500.78.37345.7316.514.63
600.82.92360.4322.622.70
700.86.58373.5328.931.18
800.89.48385.2335.339.99
900.91.78395.9341.449.06
1000.93.61405.7347.458.33
1100.95.10414.7353.167.77
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1100.95.04414.7353.167.76
1200.96.31423.0358.677.33
1300.97.31430.8363.887.02
1400.98.12438.0368.996.79
1500.98.79444.8373.7106.6
1600.99.35451.2378.4116.5
1700.99.82457.2382.8126.5
1800.100.2462.9387.1136.5
1900.100.6468.4391.2146.5
2000.100.9473.5395.2156.6
2100.101.1478.5399.1166.7
2200.101.4483.2402.8176.8
2300.101.6487.7406.4187.0
2400.101.8492.0409.9197.2
2500.101.9496.2413.2207.3
2600.102.1500.2416.5217.5
2700.102.2504.0419.7227.8
2800.102.3507.7422.8238.0
2900.102.4511.3425.7248.2
3000.102.5514.8428.7258.5
3100.102.6518.2431.5268.7
3200.102.7521.4434.3279.0
3300.102.8524.6436.9289.3
3400.102.8527.7439.6299.6
3500.102.9530.7442.1309.8
3600.103.0533.6444.6320.1
3700.103.0536.4447.1330.4
3800.103.1539.1449.5340.7
3900.103.1541.8451.8351.0
4000.103.1544.4454.1361.4
4100.103.2547.0456.3371.7
4200.103.2549.4458.5382.0
4300.103.2551.9460.6392.3
4400.103.3554.2462.7402.6
4500.103.3556.6464.8413.0
4600.103.3558.8466.8423.3
4700.103.3561.1468.8433.6
4800.103.4563.2470.7444.0
4900.103.4565.4472.7454.3
5000.103.4567.5474.5464.7
5100.103.4569.5476.4475.0
5200.103.4571.5478.2485.3
5300.103.5573.5480.0495.7
5400.103.5575.4481.7506.0
5500.103.5577.3483.4516.4
5600.103.5579.2485.1526.7
5700.103.5581.0486.8537.1
5800.103.6582.8488.4547.4
5900.103.6584.6490.0557.8
6000.103.6586.3491.6568.2

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