Rubidium monoxide
- Formula: ORb
- Molecular weight: 101.4672
- CAS Registry Number: 12509-27-2
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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 as indicated in comments:
LBLHLM - 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 | Comment |
---|---|---|---|
6.69 | S | Butman, Kudin, et al., 1984 | LBLHLM |
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 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
A 2Πi | (606) 1 | (389) 1 | 2.41 1 | |||||||||
X 2Σ+ | 0 | (433) 1 | 2.28 1 |
Notes
1 | Ab initio calculations So and Richards, 1975; experimental evidence for a 2Σ ground state comes from the ESR spectrum of matrix isolated 87RbO Lindsay, Herschbach, et al., 1974. |
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.
Butman, Kudin, et al., 1984
Butman, M.F.; Kudin, L.S.; Krasnov, K.S.,
The Mass-spectrometric determination of the proton affinity of the molecules M2O (M = Na, K, Rb, Cs),
Russ. J. Inorg. Chem., 1984, 29, 1228, In original 2150. [all data]
So and Richards, 1975
So, S.P.; Richards, W.G.,
The electronic ground states of alkali monoxides,
Chem. Phys. Lett., 1975, 32, 227. [all data]
Lindsay, Herschbach, et al., 1974
Lindsay, D.M.; Herschbach, D.R.; Kwiram, A.L.,
ESR spectra of matrix isolated CsO and RbO molecules: 2Σ ground states and inner shell bonding,
J. Chem. Phys., 1974, 60, 315. [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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