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
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Phase change data
  • Ion clustering data
• 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

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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: Takehiko Shimanouchi

Symmetry:   O_h     Symmetry Number σ = 24

Source: Shimanouchi, 1972

Notes

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]

Notes

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• 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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