Rubidium, compound with sodium (1:1)
- Formula: NaRb
- Molecular weight: 108.4576
- IUPAC Standard InChI: InChI=1S/Na.Rb.2H
- IUPAC Standard InChIKey: IAIKEFZRVDQPRE-UHFFFAOYSA-N
- CAS Registry Number: 12333-61-8
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, Constants of diatomic molecules, 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: Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 4.32 ± 0.04 | PI | Kappes and Schumacher, 1985 |
| 4.32 ± 0.06 | PI | Kappes, Radi, et al., 1985 |
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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A second system (18400 - 18800) has not been analyzed. | ||||||||||||
| A (1Π) | 16421.8 | 61.49 H | 0.945 | (A ← X) (R) | 16399.1 H | |||||||
| ↳Kusch, 1936 | ||||||||||||
| X (1Σ) | 0 | 106.64 H | 0.455 1 | |||||||||
| ↳Dagdigian and Wharton, 1972 | ||||||||||||
Notes
| 1 | Mol. beam el. deflection 2 |
| 2 | μ2/B = 6.6E-19 cm3; assuming B = 0.0734 cm-1 Dagdigian and Wharton, 1972 derive an electric dipole moment of 3.1 D. |
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.
Kappes and Schumacher, 1985
Kappes, M.M.; Schumacher, E.,
Generation, spectroscopic and chemical characterization of metal clusters (Mx, x < 65), a progress report,
Surf. Sci., 1985, 156, 1. [all data]
Kappes, Radi, et al., 1985
Kappes, M.M.; Radi, P.; Schar, M.; Schumacher, E.,
Photoionization measurements on dialkali monohalides generated in supersonic nozzle beams,
Chem. Phys. Lett., 1985, 113, 243. [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]
Dagdigian and Wharton, 1972
Dagdigian, P.J.; Wharton, L.,
Molecular beam electric deflection and resonance spectroscopy of the heteronuclear alkali dimers: 39K7Li, Rb7Li, 39K23Na, Rb23Na, and 133Cs23Na,
J. Chem. Phys., 1972, 57, 1487. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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