Uranium hexafluoride

• Formula: F₆U
• Molecular weight: 352.01933
• IUPAC Standard InChI: InChI=1S/6FH.U/h6*1H;/q;;;;;;+6/p-6 Copy

  
• IUPAC Standard InChIKey: SANRKQGLYCLAFE-UHFFFAOYSA-H Copy
• CAS Registry Number: 7783-81-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Uranium fluoride (UF6); Uranium fluoride (238UF6); UF6; Uranium fluoride (UF6), (OC-6-11)-; Uranium fluoride; UN 2977; UN 2978; Hexafluorouranium; Uranium-238 hexafluoride
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Reaction 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.

Data compiled by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  = ( • )

By formula: F^- + F₆U = (F^- • F₆U)

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
B - John E. Bartmess

Electron affinity determinations

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Reaction 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.

Pyatenko, Guasarov, et al., 1984
Pyatenko, A.T.; Guasarov, A.V.; Gorokhov, L.N., Thermochemistry of Negative Ions in the U-F System, Russ. J. Phys. Chem., 1984, 58, 1. [all data]

Beauchamp, 1976
Beauchamp, J.L., Ion cyclotron resonance studies of endothermic reactions of UF₆-Generated by surface ionization, J. Chem. Phys., 1976, 64, 929. [all data]

Borshchevskii, Boltalina, et al., 1988
Borshchevskii, A.Ya.; Boltalina, O.V.; Sorokin, I.D.; Sidorov, L.N., Thermochemical Quantities for Gas Phase Iron, Uranium, and Molybdenum Fluorides, and Their Negative Ions., J. Chem. Thermodyn., 1988, 20, 5, 523, https://doi.org/10.1016/0021-9614(88)90080-8 . [all data]

Skokan, Sorokin, et al., 1983
Skokan, E.V.; Sorokin, I.D.; Nikitin, M.I.; Chilingarov, N.S.; Sidorov, L.N., The electron affinity of UF₆, Russ. J. Phys. Chem., 1983, 57, 1745. [all data]

Compton, 1977
Compton, R.N., On the formation of positive and negative ions in gaseous UF₆, J. Chem. Phys., 1977, 66, 4478. [all data]

Pyatenko, Gusarov, et al., 1980
Pyatenko, A.T.; Gusarov, A.V.; Gorokhov, L.N., Thermochemical Properties of Negative Ions in Vapor over UF₄, High Temp., 1980, 18, 857. [all data]

Mallouk, Rosenthal, et al., 1984
Mallouk, T.E.; Rosenthal, G.L.; Muller, G.; Brusasco, R.; Bartlett, N., Fluoride ion affinities of GeF₄ and BF₄ from thermodynamic and structural data for (SF₂)₂GeF₆, ClO₂GeF₅, and ClO₂BF₄, Inorg. Chem., 1984, 23, 3167. [all data]

Annis and Stockdale, 1980
Annis, B.K.; Stockdale, J.A.D., Internal excitation of UF₆- ions in collisions with argon atoms, Chem. Phys. Lett., 1980, 74, 365. [all data]

Streit and Newton, 1980
Streit, G.E.; Newton, T.W., Negative ion-uranium hexafluoride charge transfer reactions, J. Chem. Phys., 1980, 73, 3178. [all data]

Mathur, Rothe, et al., 1977
Mathur, B.P.; Rothe, R.W.; Reck, G.P., Ionization reactions of metal hexafluorides with alkali atoms and dimers, J. Chem. Phys., 1977, 67, 377. [all data]

Page and Goode, 1969
Page, F.M.; Goode, G.C., Negative Ions and the Magnetron., Wiley, NY, 1969. [all data]

Hildenbrand, 1977
Hildenbrand, D.L., Thermochemistry of gaseous UF₅ and UF₄, J. Chem. Phys., 1977, 66, 4788. [all data]

Potts, Lempka, et al., 1970
Potts, A.W.; Lempka, H.J.; Streets, D.G.; Price, W.C., Photoelectron spectra of the halides of elements in groups III, IV, V and VI, Phil. Trans. Roy. Soc. (London), 1970, A268, 59. [all data]

Notes

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

• Symbols used in this document:
  

  AE	Appearance energy
  EA	Electron affinity
  ΔrH°	Enthalpy of reaction at standard conditions

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