uranium 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-259.32 ± 0.24kcal/molReviewCox, Wagman, et al., 1984CODATA Review value
Quantity Value Units Method Reference Comment
solid,1 bar18.41 ± 0.048cal/mol*KReviewCox, Wagman, et al., 1984CODATA Review value

Gas phase ion energetics 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.

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
5.4 ± 0.1EIRauh and Ackermann, 1974LLK
4.5 ± 1.5EIBlackburn and Danielson, 1972LLK
5.5 ± 0.4EIPattoret, Drowart, et al., 1968RDSH
5.5 ± 0.1EIMann, 1964RDSH
4.3 ± 0.6EIDeMaria, Burns, et al., 1960RDSH

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.

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Rauh and Ackermann, 1974
Rauh, E.G.; Ackermann, R.J., First ionization potentials of some refractory oxide vapors, J. Chem. Phys., 1974, 60, 1396. [all data]

Blackburn and Danielson, 1972
Blackburn, P.E.; Danielson, P.M., Electron impact relative ionization cross sections fragmentation of U, UO, UO2, and UO3, J. Chem. Phys., 1972, 56, 6156. [all data]

Pattoret, Drowart, et al., 1968
Pattoret, A.; Drowart, J.; Smoes, S., Etudes thermodynamiques par spectrometrie de masse sur le systeme uranium-oxygene in Thermodyn. Nucl. Mater. Proc. Symp., 1967 Vienna, 1968, 613. [all data]

Mann, 1964
Mann, J.B., Ionization of U, UO, and UO2 by electron impact, J. Chem. Phys., 1964, 40, 1632. [all data]

DeMaria, Burns, et al., 1960
DeMaria, G.; Burns, R.P.; Drowart, J.; Inghram, M.G., Mass spectrometric study of gaseous molybdenum, tungsten, and uranium oxides, J. Chem. Phys., 1960, 32, 1373. [all data]


Notes

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