uranium tetrafluoride

• Formula: F₄U
• Molecular weight: 314.02252
• CAS Registry Number: 10049-14-6
• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
  • References
  • Notes
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
  • Switch to calorie-based units

Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, Ion clustering data, References, Notes

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

 + F₄U = ( • F₄U)

By formula: F^- + F₄U = (F^- • F₄U)

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Ion clustering data, References, Notes

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
B - John E. Bartmess

View reactions leading to F₄U⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

Ion clustering data

Go To: Top, Reaction 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.

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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 + F₄U = ( • F₄U)

By formula: F^- + F₄U = (F^- • F₄U)

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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]

Sidorov, Skokan, et al., 1980
Sidorov, L.N.; Skokan, E.V.; Nitikin, M.I.; Sorokin, I.D., Mass spectrometric determination of enthalpies of dissociation of gaseous complex fluorides into neutral and charged particles. III. Heat of formation of UF₅- and electron affinity of UF₅, Int. J. Mass Spectrom. Ion Phys., 1980, 35, 215. [all data]

Dyke, Fayad, et al., 1980
Dyke, J.M.; Fayad, N.K.; Morris, A.; Trickle, I.R.; Allen, G.C., A study of the electronic structure of the actinide tetrahalides UF₄, ThF₄, UCl₄, and ThCl₄ using vacuum ultraviolet photoelectron spectroscopy and SCF-Xα scattered wave calculations, J. Chem. Phys., 1980, 72, 3822. [all data]

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

Dyke, Josland, et al., 1981
Dyke, J.M.; Josland, G.D.; Morris, A.; Tucker, P.M.; Tyler, J.W., Study of the valence-electronic structure of UF₄, ThF₄, UCl₄ and ThCl₄ in the gas phase and in the solid state, J. Chem. Soc. Faraday Trans. 2, 1981, 77, 1273. [all data]

Notes

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

• Symbols used in this document:
  

  EA	Electron affinity
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.