HRb

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)RbH
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
A 1Σ+ 18219.8 211.7 Z -6.47 1 -0.253 1.112 -0.054 2  0.000110 -0.0000026 3.901 A → X R 17862.3 Z
↳missing citation; Bartky, 1966
X 1Σ+ 0 936.94 Z 14.21 0.082 3.020 0.072 0.0003 0.000123 -1.3E-6 2.367  

Notes

1ωeze = +0.0030 (v ≤ 9).
2αv= -0.0054(v+1/2)2 - 0.000162(v+1/2)3 (v ≤ 9).

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.

Bartky, 1966
Bartky, I.R., The absorption spectrum of RbD. Vibrational numbering of the A1Σ state of RbH, J. Mol. Spectrosc., 1966, 21, 1. [all data]

Notes

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