Krypton, compound with xenon (1:1)
- Formula: KrXe
- Molecular weight: 215.091
- IUPAC Standard InChI: InChI=1S/Kr.Xe
- IUPAC Standard InChIKey: PDEXVOWZLSWEJB-UHFFFAOYSA-N
- CAS Registry Number: 12521-42-5
- Chemical structure:
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Constants of diatomic molecules
Go To: Top, 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
| Symbol | Meaning |
|---|---|
| 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) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 1Σ+ | [20.3] 1 | 4.18 2 | ||||||||||
Notes
| 1 | Theoretical values Bobetic and Barker, 1976, calculated from the potential of Lee, Henderson, et al., 1975. |
| 2 | From the "excess properties" of Kr-Xe mixtures Lee, Henderson, et al., 1975. |
References
Go To: Top, 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.
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
Go To: Top, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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