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Phosphorus monoxide


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. - 600.600. - 6000.
A 24.2856135.82830
B 18.864651.413825
C -1.520015-0.322620
D -7.3659320.030065
E 0.194004-0.951312
F -30.94863-36.97384
G 247.7652261.7816
H -23.54801-23.54801
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1971 Data last reviewed in June, 1971
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.31.76222.8222.8-0.00
300.31.76223.0222.80.06
400.32.33232.2224.03.26
500.33.19239.5226.46.53
600.34.01245.6229.19.89
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
600.33.92245.6229.19.89
700.34.73250.9231.913.32
800.35.28255.6234.516.83
900.35.69259.7237.120.38
1000.36.00263.5239.623.96
1100.36.25267.0241.927.57
1200.36.45270.1244.131.21
1300.36.62273.1246.234.86
1400.36.77275.8248.238.53
1500.36.90278.3250.242.22
1600.37.02280.7252.045.91
1700.37.12282.9253.849.62
1800.37.21285.1255.453.34
1900.37.29287.1257.157.06
2000.37.37289.0258.660.79
2100.37.44290.8260.164.53
2200.37.50292.6261.568.28
2300.37.56294.2262.972.03
2400.37.61295.8264.375.79
2500.37.66297.4265.579.56
2600.37.71298.8266.883.33
2700.37.76300.3268.087.10
2800.37.80301.6269.290.88
2900.37.84303.0270.394.66
3000.37.87304.3271.498.44
3100.37.91305.5272.5102.2
3200.37.94306.7273.6106.0
3300.37.97307.9274.6109.8
3400.38.01309.0275.6113.6
3500.38.04310.1276.6117.4
3600.38.07311.2277.5121.2
3700.38.10312.2278.4125.0
3800.38.13313.2279.3128.8
3900.38.16314.2280.2132.7
4000.38.19315.2281.1136.5
4100.38.22316.1281.9140.3
4200.38.25317.1282.7144.1
4300.38.28318.0283.6147.9
4400.38.32318.8284.3151.8
4500.38.35319.7285.1155.6
4600.38.39320.5285.9159.4
4700.38.42321.4286.6163.3
4800.38.47322.2287.4167.1
4900.38.51323.0288.1171.0
5000.38.55323.8288.8174.8
5100.38.60324.5289.5178.7
5200.38.65325.3290.2182.6
5300.38.70326.0290.8186.4
5400.38.76326.7291.5190.3
5500.38.82327.4292.1194.2
5600.38.88328.1292.8198.1
5700.38.94328.8293.4201.9
5800.39.01329.5294.0205.8
5900.39.09330.2294.6209.8
6000.39.16330.8295.2213.7

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