hafnium 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

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Individual Reactions

Fluorine anion + HfF4 = (Fluorine anion • HfF4)

By formula: F- + HfF4 = (F- • HfF4)

Quantity Value Units Method Reference Comment
Δr102.5 ± 4.0kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 14.1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention
Δr96.9 ± 2.1kcal/molTDEqNikitin, Sorokin, et al., 1980gas phase; Fluoride Affinity: 20.1 kcal < AlF3

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.

Nikitin, Igolkina, et al., 1986
Nikitin, M.I.; Igolkina, N.A.; Skokan, E.V.; Sorokin, I.D.; Sidirov, L.N., Enthalpies of formation of the AlF4- ion, J. Phys. Chem., 1986, 60, 22. [all data]

Nikitin, Sorokin, et al., 1980
Nikitin, M.I.; Sorokin, I.D.; Skokan, E.V.; Sidorov, L.N., Negative Ions in the Saturated Vapors of the Potassium Fluoride - Hafnium Tetrafluoride and Potassium Fluoride - Beryllium Difluoride Systems, Russ. J. Phys. Chem., 1980, 54, page]. [all data]


Notes

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