cobalt difluoride


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Quantity Value Units Method Reference Comment
Δfgas-85.201kcal/molReviewChase, 1998Data last reviewed in June, 1970
Quantity Value Units Method Reference Comment
gas,1 bar66.448cal/mol*KReviewChase, 1998Data last reviewed in June, 1970

Gas Phase Heat Capacity (Shomate Equation)

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.

View table.

Temperature (K) 3000. to 6000.
A 13.05220
B 1.076701
C -0.238799
D 0.016587
E -0.100586
F -89.47500
G 81.36840
H -85.20010
ReferenceChase, 1998
Comment Data last reviewed in June, 1970

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Quantity Value Units Method Reference Comment
Δfliquid-152.41kcal/molReviewChase, 1998Data last reviewed in June, 1970
Quantity Value Units Method Reference Comment
liquid,1 bar20.61cal/mol*KReviewChase, 1998Data last reviewed in June, 1970
Quantity Value Units Method Reference Comment
Δfsolid-160.50kcal/molReviewChase, 1998Data last reviewed in June, 1970
Quantity Value Units Method Reference Comment
solid19.60cal/mol*KReviewChase, 1998Data last reviewed in June, 1970

Liquid Phase Heat Capacity (Shomate Equation)

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.

View table.

Temperature (K) 1400. to 3000.
A 25.00000
B 2.481831×10-10
C -1.449720×10-10
D 2.603430×10-11
E 6.546301×10-12
F -159.8660
G 50.86530
H -152.4120
ReferenceChase, 1998
Comment Data last reviewed in June, 1970

Solid Phase Heat Capacity (Shomate Equation)

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.

View table.

Temperature (K) 298. to 1400.
A 19.81510
B 0.605338
C 0.010959
D -0.002768
E -0.314077
F -167.4900
G 41.63310
H -160.5000
ReferenceChase, 1998
Comment Data last reviewed in June, 1970

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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 thermochemistry data, Condensed phase thermochemistry data, References