Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

caesium sulphate


Solid 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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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

Temperature (K) 298. - 800.800. - 1200.298. - 600.600. - 1278.
A 7.337849-36.8982198.541309.554209
B 125.3180146.2330-348.892036.68210
C -182.0170-75.83979600.38700.253829
D 116.387019.06870-326.2041-0.069318
E 0.0616176.058141-1.179081-0.010792
F -350.9749-322.9259-359.5261-340.9500
G 29.55691-9.714781256.124065.47971
H -344.8000-344.8000-337.0349-337.0349
ReferenceChase, 1998Chase, 1998Chase, 1998Chase, 1998
Comment ii phase; Data last reviewed in June, 1979 ii phase; Data last reviewed in June, 1979 i phase; Data last reviewed in June, 1979 i phase; Data last reviewed in June, 1979
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.32.2950.6250.64-0.01
300.32.3850.8350.640.06
400.36.1860.6951.963.49
500.39.2969.1054.567.27
600.42.3176.5357.6211.35
700.45.9283.3160.8115.75
800.50.7989.7464.0320.57
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
800.50.7889.7664.0220.59
900.54.6695.9667.2325.86
1000.58.62101.970.4031.52
1100.62.58107.773.5337.58
1200.66.53113.376.6244.04
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.25.9863.2763.30-0.01
300.26.0063.4563.300.04
400.26.8071.0364.332.68
500.28.7077.1966.305.45
600.31.6182.6768.588.46
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
600.31.6182.6668.578.45
700.35.3187.8170.9611.80
800.39.0192.7773.3815.52
900.42.7197.5875.8019.60
1000.46.41102.378.2124.06
1100.50.11106.980.6128.88
1200.53.81111.482.9934.08

References

Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References