Rubidium monoxide

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

Symbols used in the table of constants
SymbolMeaning
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)
Diatomic constants for (85)Rb16O
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
A 2Πi (606) 1 (389) 1        2.41 1  
X 2Σ+ 0 (433) 1        2.28 1  

Notes

1Ab 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

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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

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