lead dioxide


Condensed phase thermochemistry data

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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
Δfsolid-65.600kcal/molReviewChase, 1998Data last reviewed in December, 1971
Quantity Value Units Method Reference Comment
solid17.16cal/mol*KReviewChase, 1998Data last reviewed in December, 1971

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.

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Temperature (K) 298. to 1200.
A 13.84110
B 11.68380
C -8.311599
D 1.906170
E -0.179619
F -70.78021
G 29.76460
H -65.60000
ReferenceChase, 1998
Comment Data last reviewed in December, 1971

Vibrational and/or electronic energy levels

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

Data compiled by: Marilyn E. Jacox

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

Σg+ 1 Sym. stretch 658.6 T Ar IR Chertihin and Andrews, 1996
Σu+ 3 Asym. stretch 764.8 Ar IR Chertihin and Andrews, 1996
3 Asym. stretch 775.9 N2 IR Chertihin and Andrews, 1996

Additional references: Jacox, 1998, page 190

Notes

TTentative assignment or approximate value

References

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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]

Chertihin and Andrews, 1996
Chertihin, G.V.; Andrews, L., Infrared spectra of the reaction products of laser ablated lead atoms and oxygen molecules in condensing argon and nitrogen, J. Chem. Phys., 1996, 105, 7, 2561, https://doi.org/10.1063/1.472122 . [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]


Notes

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