Disilicon mononitride


Gas Phase Heat Capacity (Shomate Equation)

Go To: Top, References, Notes

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.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) 298. to 1000.1000. to 6000.
A 40.5297862.14412
B 54.415010.212812
C -52.38535-0.098632
D 18.088600.016640
E -0.239935-1.890290
F 382.5996373.5241
G 290.1273323.3835
H 397.4804397.4804
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1967 Data last reviewed in March, 1967
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.49.87256.5256.5-0.01
300.49.96256.8256.50.09
400.53.57271.7258.55.28
500.55.94283.9262.410.77
600.57.56294.3266.916.45
700.58.67303.2271.422.26
800.59.42311.1275.928.17
900.59.96318.2280.234.14
1000.60.41324.5284.340.16
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1000.60.38324.5284.340.16
1100.60.72330.3288.346.21
1200.60.97335.6292.052.30
1300.61.17340.5295.558.40
1400.61.33345.0298.964.53
1500.61.46349.2302.170.67
1600.61.56353.2305.276.82
1700.61.65356.9308.182.98
1800.61.72360.5310.989.15
1900.61.78363.8313.695.33
2000.61.84367.0316.2101.5
2100.61.88370.0318.7107.7
2200.61.92372.9321.1113.9
2300.61.96375.6323.4120.1
2400.61.99378.3325.6126.3
2500.62.02380.8327.8132.5
2600.62.04383.2329.9138.7
2700.62.07385.6331.9144.9
2800.62.09387.8333.9151.1
2900.62.11390.0335.8157.3
3000.62.13392.1337.6163.5
3100.62.16394.1339.4169.7
3200.62.18396.1341.1175.9
3300.62.20398.0342.8182.2
3400.62.22399.9344.5188.4
3500.62.24401.7346.1194.6
3600.62.26403.4347.7200.8
3700.62.29405.2349.2207.1
3800.62.31406.8350.7213.3
3900.62.34408.4352.1219.5
4000.62.36410.0353.6225.8
4100.62.39411.6355.0232.0
4200.62.42413.1356.3238.2
4300.62.46414.5357.7244.5
4400.62.49416.0359.0250.7
4500.62.53417.4360.3257.0
4600.62.57418.7361.5263.2
4700.62.61420.1362.7269.5
4800.62.65421.4364.0275.8
4900.62.70422.7365.1282.0
5000.62.75424.0366.3288.3
5100.62.80425.2367.4294.6
5200.62.85426.4368.6300.9
5300.62.91427.6369.7307.1
5400.62.97428.8370.8313.4
5500.63.04430.0371.8319.7
5600.63.10431.1372.9326.0
5700.63.18432.2373.9332.4
5800.63.25433.3374.9338.7
5900.63.33434.4375.9345.0
6000.63.41435.5376.9351.3

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