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uranium tetrafluoride


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

Fluorine anion + F4U = (Fluorine anion bullet F4U)

By formula: F- + F4U = (F- bullet F4U)

Quantity Value Units Method Reference Comment
Deltar101. ± 6.kcal/molAVGN/AAverage of 6 values; Individual data points

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
B - John E. Bartmess

View reactions leading to F4U+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
1.24 ± 0.36R-APyatenko, Guasarov, et al., 1984Critical review; value altered from reference due to conversion from electron convention to ion convention; B
<1.79961IMRBSidorov, Skokan, et al., 1980B

Ionization energy determinations

IE (eV) Method Reference Comment
9.51PEDyke, Fayad, et al., 1980LLK
10. ± 0.1EIHildenbrand, 1977LLK
10.0 ± 0.3EIHildenbrand, 1977LLK
10.32PEDyke, Josland, et al., 1981Vertical value; LLK

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

Clustering reactions

Fluorine anion + F4U = (Fluorine anion bullet F4U)

By formula: F- + F4U = (F- bullet F4U)

Quantity Value Units Method Reference Comment
Deltar101. ± 6.kcal/molAVGN/AAverage of 6 values; Individual data points

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-X«alpha» 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

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