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uranium


Gas 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
Deltafgas533. ± 8.kJ/molReviewCox, Wagman, et al., 1984CODATA Review value
Quantity Value Units Method Reference Comment
gas,1 bar199.79 ± 0.10J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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
solid,1 bar50.20 ± 0.20J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, 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.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to U+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)6.19405eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)995.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity973.2kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
6.19405EVALLide, 1992LL
6.22 ± 0.02PEAllen, Baerends, et al., 1988LL
6.0 ± 0.3EILau and Hildenbrand, 1987LBLHLM
6.09 ± 0.11SIChetverikov, Gabeskiriya, et al., 1981LLK
6.0 ± 0.5EIGupta and Gingerich, 1979LLK
6.0 ± 0.5EIGingerich and Gupta, 1978LLK
6.1941 ± 0.0005LSSolarz, May, et al., 1976LLK
6.187 ± 0.002LSJanes, Itzkan, et al., 1976LLK
6.05 ± 0.07EVALSugar, 1974LLK
6.1 ± 0.1EIRauh and Ackermann, 1974LLK
6.05 ± 0.07SSugar, 1973LLK
6.3 ± 0.3SIAvni and Klein, 1973LLK
6.8 ± 1.5EIBlackburn and Danielson, 1972LLK
6.2 ± 0.5SRadziemski, Steinhaus, et al., 1970RDSH
6.19 ± 0.06EIEmel'yanov, Khodeev, et al., 1970RDSH
6.1 ± 0.3EIPattoret, Drowart, et al., 1968RDSH
~6. ± 0.5EICater, Rauh, et al., 1968RDSH
6.19 ± 0.06SIHertel, 1967RDSH
6.11 ± 0.05EIMann, 1964RDSH
6.08 ± 0.08SIBakulina and Ionov, 1959RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes

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]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Allen, Baerends, et al., 1988
Allen, G.C.; Baerends, E.J.; Vernooijs, P.; Dyke, J.M.; Ellis, A.M.; Feher, M.; Morris, A., High temperature photoelectron spectroscopy: A study of U, UO, and UO2., J. Chem. Phys., 1988, 89, 5363. [all data]

Lau and Hildenbrand, 1987
Lau, K.H.; Hildenbrand, D.L., Thermochemistry of the gaseous uranium bromides UBr through UBr5(a), J. Chem. Phys., 1987, 86, 2949. [all data]

Chetverikov, Gabeskiriya, et al., 1981
Chetverikov, A.P.; Gabeskiriya, V.Y.; Puchkov, V.V., Ionization of uranium, plutonium, americium, rhenium, curium, and californium on a rhenium surface, Sov. Phys. Tech. Phys., 1981, 26, 73. [all data]

Gupta and Gingerich, 1979
Gupta, S.K.; Gingerich, K.A., Observation and atomization energies of the gaseous uranium carbides, UC, UC2, UC3, UC4, UC5, and UC6 by high temperature mass spectrometry, J. Chem. Phys., 1979, 71, 3072. [all data]

Gingerich and Gupta, 1978
Gingerich, K.A.; Gupta, K.A., Dissociation energies of the molecules RhTh and RhU from high temperature mass spectrometry and predicted thermodynamic stabilities of selected diatomic actinide-platinum metal intermetallic molecules, J. Chem. Phys., 1978, 69, 505. [all data]

Solarz, May, et al., 1976
Solarz, R.W.; May, C.A.; Carlson, L.R.; Worden, E.F.; Johnson, S.A.; Paisner, J.A.; Radziemski, L.J., Jr., Detection of Rydberg states in atomic uranium using time-resolved stepwise laser photoionization, Phys. Rev. A:, 1976, 14, 1129. [all data]

Janes, Itzkan, et al., 1976
Janes, G.S.; Itzkan, I.; Pike, C.T.; Levy, R.H.; Levin, L., Two-photon laser isotope separation of atomic uranium: Spectroscopic studies, excited-state, and photoionization cross section, IEEE J. Quantum Electron., 1976, 12, 111. [all data]

Sugar, 1974
Sugar, J., Revised ionization energies of the neutral actinides, J. Chem. Phys., 1974, 60, 4103. [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]

Sugar, 1973
Sugar, J., Ionization energies of the neutral actinides, J. Chem. Phys., 1973, 59, 788. [all data]

Avni and Klein, 1973
Avni, R.; Klein, F.S., The first ionization potential of uranium and thorium measured in a d.c. arc plasma, Spectrochim. Acta Part B, 1973, 25, 331. [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]

Radziemski, Steinhaus, et al., 1970
Radziemski, L.J., Jr.; Steinhaus, D.W.; Cowan, R.D., Present status of the analysis of UI UII as derived from measurements of optical spectra, J. Opt. Soc. Am., 1970, 60, 1556. [all data]

Emel'yanov, Khodeev, et al., 1970
Emel'yanov, A.M.; Khodeev, Y.S.; Gorokhov, L.N., Determination of ionization potentials of atomic uranium by electron impact method. I. Measurement of first ionization potential of uranium, Teplofiz. Vys. Temp., 1970, 8, 279, In original 296. [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]

Cater, Rauh, et al., 1968
Cater, E.D.; Rauh, E.G.; Thorn, R.J., Thermochemistry of UOS; evaporation of US-UO2 mixtures; on the attainment of equilibrium in Knudsen cells, J. Chem. Phys., 1968, 49, 5244. [all data]

Hertel, 1967
Hertel, G.R., Surface ionization. II. The first ionization potential of uranium, J. Chem. Phys., 1967, 47, 335. [all data]

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

Bakulina and Ionov, 1959
Bakulina, I.N.; Ionov, N.I., Determination of the ionization potential of uranium atoms by the surface ionization method, Zh. Eksperim. i Teor. Fiz., 1959, 36, 1001. [all data]


Notes

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