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Potassium anion


Gas phase 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.

Quantity Value Units Method Reference Comment
gas,1 bar154.58J/mol*KReviewChase, 1998Data last reviewed in December, 1983

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

K- + Hydrogen cation = potassium hydride

By formula: K- + H+ = HK

Quantity Value Units Method Reference Comment
Deltar1439.840 ± 0.042kJ/molD-EAAndersson, Sandstrom, et al., 2000gas phase; Given: 0.501459(12) eV
Quantity Value Units Method Reference Comment
Deltar1420.4 ± 1.3kJ/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.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

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]


Notes

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