Neon, compound with xenon (1:1)
- Formula: NeXe
- Molecular weight: 151.473
- IUPAC Standard InChI: InChI=1S/Ne.Xe
- IUPAC Standard InChIKey: RHFWLQOLQAFLGT-UHFFFAOYSA-N
- CAS Registry Number: 58984-40-0
- Chemical structure:
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Constants of diatomic molecules
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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: Klaus P. Huber and Gerhard H. Herzberg
Data collected through March, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X 1Σ+ | 0 | [(17.5)] 1 | 3.745 2 3 | |||||||||
| ↳Marteau, Granier, et al., 1967 | ||||||||||||
Notes
| 1 | Theoretical values Bobetic and Barker, 1976; the ground state potentials support five or possibly six (NeXe) bound vibrational levels. |
| 2 | From crossed beam differential scattering measurements Ng, Lee, et al., 1974. |
| 3 | Translational sp. |
| 4 | The splittings between X1 and X2 and between A2 and A3 are very similar to those of the 2P ground states of Kr+ (5371 cm-1) or Xe+ (10537 cm-1) and Ne+ (780 cm-1). The splitting between A1 and A2 is molecular in nature; both states arise from 2P3/2 of Ne+. The corresponding splitting in the ground state is not resolved. |
| 5 | The transition energy A2 - X1 is close to the difference between the ionization potentials of Ne and Kr or Xe, i.e. 61015 or 76096 cm-1. This agreement together with that mentioned in 4 makes the interpretation by Tanaka, Yoshino, et al., 1975 of the observed spectra as charge transfer spectra very convincing. |
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.
Marteau, Granier, et al., 1967
Marteau, P.; Granier, R.; Vu, H.; Vodar, B.,
Spectres de translation des couples Xe-He, Xe-Ne, Xe-Ar et Xe-H2; leur role possible dans la formation des bandes < satellites > electroniques,
C.R. Acad. Sci. Paris, Ser. B, 1967, 265, 685. [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]
Ng, Lee, et al., 1974
Ng, C.Y.; Lee, Y.T.; Barker, J.A.,
Improved potentials for Ne + Ar, Ne + Kr, and Ne + Xe,
J. Chem. Phys., 1974, 61, 1996. [all data]
Tanaka, Yoshino, et al., 1975
Tanaka, Y.; Yoshino, K.; Freeman, D.E.,
Emission spectra of heteronuclear diatomic rare gas positive ions,
J. Chem. Phys., 1975, 62, 4484. [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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