potassium hydride


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

K- + Hydrogen cation = potassium hydride

By formula: K- + H+ = HK

Quantity Value Units Method Reference Comment
Δr344.130 ± 0.010kcal/molD-EAAndersson, Sandstrom, et al., 2000gas phase; Given: 0.501459(12) eV
Quantity Value Units Method Reference Comment
Δr339.48 ± 0.30kcal/molH-TSAndersson, Sandstrom, et al., 2000gas phase; Given: 0.501459(12) eV

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:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

IE (eV) Method Reference Comment
8.0 ± 1.0SFarber, Srivastava, et al., 1982LBLHLM

De-protonation reactions

K- + Hydrogen cation = potassium hydride

By formula: K- + H+ = HK

Quantity Value Units Method Reference Comment
Δr344.130 ± 0.010kcal/molD-EAAndersson, Sandstrom, et al., 2000gas phase; Given: 0.501459(12) eV; B
Quantity Value Units Method Reference Comment
Δr339.48 ± 0.30kcal/molH-TSAndersson, Sandstrom, et al., 2000gas phase; Given: 0.501459(12) eV; B

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.

Andersson, Sandstrom, et al., 2000
Andersson, K.T.; Sandstrom, J.; Kiyan, I.Y.; Hanstorp, D.; Pegg, D.J., Measurement of the electron affinity of potassium - art. no. 022503, Phys. Rev. A, 2000, 62, 2, 22503, https://doi.org/10.1103/PhysRevA.62.022503 . [all data]

Farber, Srivastava, et al., 1982
Farber, M.; Srivastava, R.D.; Moyer, J.W., Mass spectrometric determination of the thermodynamics of potassium hydroxide and minor potassium-containing species required in magnetohydrodynamic power systems, J. Chem. Thermodyn., 1982, 14, 1103. [all data]


Notes

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