Cesium, compound with rubidium (1:1)
- Formula: CsRb
- Molecular weight: 218.3733
- IUPAC Standard InChI: InChI=1S/Cs.Rb.2H
- IUPAC Standard InChIKey: VTZYVEBKVJCGFY-UHFFFAOYSA-N
- CAS Registry Number: 12331-83-8
- 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 July, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Evidence for an additional state in the 19000 - 22000 cm-1 region by two-photon ionization. | ||||||||||||
| ↳Granneman, Klewer, et al., 1976 | ||||||||||||
| A | 13747.2 | 38.46 H | A ← X R | 13741.7 | ||||||||
| ↳Loomis and Kusch, 1934; Kusch, 1936 | ||||||||||||
| X 1Σ+ | 0 | 49.41 H | ||||||||||
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.
Granneman, Klewer, et al., 1976
Granneman, E.H.A.; Klewer, M.; Nygaard, K.J.; van der Wiel, M.J.,
Two-photon ionization of Cs2, Rb2 and RbCs using an Ar-ion laser,
J. Phys. B:, 1976, 9, 865. [all data]
Loomis and Kusch, 1934
Loomis, F.W.; Kusch, P.,
The band spectrum of caesium,
Phys. Rev., 1934, 46, 292. [all data]
Kusch, 1936
Kusch, P.,
The band spectra of rubidium and of its combinations with other alkali metals,
Phys. Rev., 1936, 49, 218. [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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