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Krypton, compound with xenon (1:1)


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:
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

Ionization energy determinations

IE (eV) Method Reference Comment
11.763 ± 0.011PIDehmer and Pratt, 1982LBLHLM
12.2 ± 0.2EIHelm, Stephan, et al., 1979LLK
11.757 ± 0.017PINg, Tiedemann, et al., 1977LLK

Constants of diatomic molecules

Go To: Top, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Klaus P. Huber and Gerhard H. Herzberg

Data collected through April, 1977

Symbols used in the table of constants
SymbolMeaning
State electronic state and / or symmetry symbol
Te minimum electronic energy (cm-1)
ωe vibrational constant – first term (cm-1)
ωexe vibrational constant – second term (cm-1)
ωeye vibrational constant – third term (cm-1)
Be rotational constant in equilibrium position (cm-1)
αe rotational constant – first term (cm-1)
γe rotation-vibration interaction constant (cm-1)
De centrifugal distortion constant (cm-1)
βe rotational constant – first term, centrifugal force (cm-1)
re internuclear distance (Å)
Trans. observed transition(s) corresponding to electronic state
ν00 position of 0-0 band (units noted in table)
Diatomic constants for (84)Kr(132)Xe
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Emission continuum with maximum at 1540 Å (64900 cm-1), presumably corresponding to transitions from the lowest excited state(s) to the repulsive part of the ground state potential.
Verkhovtseva, Ovechkin, et al., 1975
X 1Sigma+  [20.3] 1        4.18 2  

Notes

1Theoretical values Bobetic and Barker, 1976, calculated from the potential of Lee, Henderson, et al., 1975.
2From the "excess properties" of Kr-Xe mixtures Lee, Henderson, et al., 1975.

References

Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dehmer and Pratt, 1982
Dehmer, P.M.; Pratt, S.T., Photoionization of ArKr, ArXe, and KrXe and bond dissociation energies of the rare gas dimer ions, J. Chem. Phys., 1982, 77, 4804. [all data]

Helm, Stephan, et al., 1979
Helm, H.; Stephan, K.; Mark, T.D., Electron-impact ionization of Ar2, ArKr, Kr2, KrXe, and Xe2, Phys. Rev. A:, 1979, 19, 2154. [all data]

Ng, Tiedemann, et al., 1977
Ng, C.Y.; Tiedemann, P.W.; Mahan, B.H.; Lee, Y.T., Photoionization studies of the diatomic heteronuclear rare gas molecules XeKr, XeAr, and KrAr, J. Chem. Phys., 1977, 66, 5737. [all data]

Verkhovtseva, Ovechkin, et al., 1975
Verkhovtseva, E.T.; Ovechkin, A.E.; Fogel, Ya.M., The vacuum-UV spectra of supersonic jets of Ar-Kr-Xe mixtures excited by an electron beam, Chem. Phys. Lett., 1975, 30, 120. [all data]

Bobetic and Barker, 1976
Bobetic, M.V.; Barker, J.A., Vibrational levels of heteronuclear rare gas van der Waals molecules, J. Chem. Phys., 1976, 64, 2367-2369. [all data]

Lee, Henderson, et al., 1975
Lee, J.K.; Henderson, D.; Barker, J.A., Intermolecular interactions and excess thermodynamic properties of argon-krypton and krypton-xenon mixtures, Mol. Phys., 1975, 29, 429. [all data]


Notes

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