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dipotassium oxide


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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to K2O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)1342.5kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity1311.8kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
4.7 ± 0.4PIDao, Peterson, et al., 1984LBLHLM
4.96SButman, Kudin, et al., 1984LBLHLM
7.5 ± 1.0SFarber, Srivastava, et al., 1982LBLHLM
10.7 ± 0.3EISimmons, Lowden, et al., 1977LLK
7.5 ± 0.1EIEhlert, 1977LLK
7.5 ± 0.2EIEhlert, 1977LLK
~5.EIGusarov and Gorokhov, 1966RDSH

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.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Dao, Peterson, et al., 1984
Dao, P.D.; Peterson, K.I.; Castleman, A.W., Jr., The photoionization of oxidized metal clusters, J. Chem. Phys., 1984, 80, 563. [all data]

Butman, Kudin, et al., 1984
Butman, M.F.; Kudin, L.S.; Krasnov, K.S., The Mass-spectrometric determination of the proton affinity of the molecules M2O (M = Na, K, Rb, Cs), Russ. J. Inorg. Chem., 1984, 29, 1228, In original 2150. [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]

Simmons, Lowden, et al., 1977
Simmons, L.L.; Lowden, L.F.; Ehlert, T.C., A mass spectrometric study of K2CO3 and K2O, J. Phys. Chem., 1977, 81, 706. [all data]

Ehlert, 1977
Ehlert, T.C., Mass spectrometric investigations of the oxides of potassium, High Temp. Sci., 1977, 9, 237. [all data]

Gusarov and Gorokhov, 1966
Gusarov, A.V.; Gorokhov, L.N., Vapor composition over potassium oxide, Teplofiz. Vysokikh Temperatur, 1966, 4, 590, In original 558. [all data]


Notes

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