Phosphorus mononitride


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. - 1200.1200. - 6000.
A 4.7002808.846791
B 8.2658900.098582
C -6.248980-0.010166
D 1.7256510.000690
E 0.039619-0.466946
F 23.4590021.24220
G 54.1719959.54259
H 25.0430925.04309
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in September, 1962 Data last reviewed in September, 1962
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.7.1050.4650.46-0.00
300.7.1050.5150.460.01
400.7.3652.5850.740.74
500.7.6554.2651.291.49
600.7.8955.6751.902.26
700.8.1056.9152.533.06
800.8.2658.0053.153.88
900.8.3858.9853.744.71
1000.8.4859.8754.315.56
1100.8.5660.6854.856.41
1200.8.6361.4355.377.27
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1200.8.6361.4355.377.27
1300.8.6862.1255.868.14
1400.8.7362.7756.339.01
1500.8.7763.3756.789.88
1600.8.8063.9457.2110.76
1700.8.8364.4757.6211.64
1800.8.8564.9858.0212.52
1900.8.8765.4658.4013.41
2000.8.8965.9158.7614.30
2100.8.9166.3559.1115.19
2200.8.9366.7659.4516.08
2300.8.9467.1659.7816.97
2400.8.9567.5460.0917.87
2500.8.9767.9060.4018.76
2600.8.9868.2660.6919.66
2700.8.9968.6060.9820.56
2800.9.0068.9261.2621.46
2900.9.0169.2461.5322.36
3000.9.0269.5461.7923.26
3100.9.0369.8462.0524.16
3200.9.0470.1362.2925.07
3300.9.0470.4062.5325.97
3400.9.0570.6762.7726.88
3500.9.0670.9463.0027.78
3600.9.0771.1963.2228.69
3700.9.0771.4463.4429.59
3800.9.0871.6863.6630.50
3900.9.0971.9263.8731.41
4000.9.0972.1564.0732.32
4100.9.1072.3764.2733.23
4200.9.1172.5964.4634.14
4300.9.1172.8164.6635.05
4400.9.1273.0264.8435.96
4500.9.1273.2265.0336.87
4600.9.1373.4265.2137.79
4700.9.1473.6265.3938.70
4800.9.1473.8165.5639.61
4900.9.1574.0065.7340.53
5000.9.1574.1865.9041.44
5100.9.1674.3766.0642.36
5200.9.1674.5466.2243.27
5300.9.1774.7266.3844.19
5400.9.1874.8966.5445.11
5500.9.1875.0666.6946.03
5600.9.1975.2266.8446.94
5700.9.1975.3966.9947.86
5800.9.2075.5567.1448.78
5900.9.2075.7067.2849.70
6000.9.2175.8667.4250.62

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