uranium

• Formula: U
• Molecular weight: 238.02891
• IUPAC Standard InChI: InChI=1S/U Copy

  
• IUPAC Standard InChIKey: JFALSRSLKYAFGM-UHFFFAOYSA-N Copy
• CAS Registry Number: 7440-61-1
• Chemical structure:
  This structure is also available as a 2d Mol file
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
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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 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)

Ionization energy determinations

References

Go To: Top, 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.

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 U_I U_II 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 ion energetics data, References

• Symbols used in this document:
  

  IE (evaluated)

  Recommended ionization energy

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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