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:
  • Phase change data
  • Reaction thermochemistry data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • Ion clustering data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change 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: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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)

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

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Oliver, Milton, et al., 1953
Oliver, George D.; Milton, H.T.; Grisard, J.W., The Vapor Pressure and Critical Constants of Uranium Hexafluoride ¹, J. Am. Chem. Soc., 1953, 75, 12, 2827-2829, https://doi.org/10.1021/ja01108a011 . [all data]

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]

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:
  

  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization

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