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Potassium anion


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 by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
0.501463LPDAndersson, Sandstrom, et al., 2000Given: 0.501459(12) eV
0.501463 ± 0.000087LPDSlater, Read, et al., 1978 

Protonation reactions

K- + Hydrogen cation = potassium hydride

By formula: K- + H+ = HK

Quantity Value Units Method Reference Comment
Deltar344.130 ± 0.010kcal/molD-EAAndersson, Sandstrom, et al., 2000gas phase; Given: 0.501459(12) eV
Quantity Value Units Method Reference Comment
Deltar339.48 ± 0.30kcal/molH-TSAndersson, Sandstrom, et al., 2000gas phase; Given: 0.501459(12) eV

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]

Slater, Read, et al., 1978
Slater, J.; Read, F.H.; Novick, S.E.; Lineberger, W.C., Alkali Negative Ions. III. Multichannel Photodetachment of Cs- and K-, Phys. Rev. A, 1978, 17, 1, 201, https://doi.org/10.1103/PhysRevA.17.201 . [all data]


Notes

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