tetraphosphorus trisulphide


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) 3000. - 6000.
A 154.8080
B 1.886080×10-10
C -6.281188×10-11
D 6.168807×10-12
E 1.203353×10-11
F -197.1982
G 506.6071
H -151.0420
ReferenceChase, 1998
Comment Data last reviewed in December, 1960
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
3000.154.8676.7537.3418.3
3100.154.8681.8541.8433.7
3200.154.8686.7546.3449.2
3300.154.8691.4550.6464.7
3400.154.8696.1554.8480.2
3500.154.8700.5558.9495.7
3600.154.8704.9562.9511.2
3700.154.8709.1566.8526.6
3800.154.8713.3570.6542.1
3900.154.8717.3574.3557.6
4000.154.8721.2577.9573.1
4100.154.8725.0581.5588.6
4200.154.8728.8585.0604.0
4300.154.8732.4588.3619.5
4400.154.8736.0591.7635.0
4500.154.8739.5594.9650.5
4600.154.8742.9598.1666.0
4700.154.8746.2601.2681.4
4800.154.8749.4604.2696.9
4900.154.8752.6607.2712.4
5000.154.8755.8610.2727.9
5100.154.8758.8613.1743.4
5200.154.8761.8615.9758.8
5300.154.8764.8618.7774.3
5400.154.8767.7621.4789.8
5500.154.8770.5624.1805.3
5600.154.8773.3626.7820.8
5700.154.8776.0629.3836.2
5800.154.8778.7631.9851.7
5900.154.8781.4634.4867.2
6000.154.8784.0636.9882.7

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