Beryllium iodide

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 September, 1976

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 9Be127I
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
A 2Π3/2     [0.4182]   [0.0000008]  [2.1887] A → X R 23900.83 Z
↳missing citation; Carleer and Colin, 1979
A 2Π1/2 23544.7 603.8 H 2.1  [0.4216] 1   [0.00000073]  [2.1799] A → X R 23540.59 Z
↳missing citation; Carleer and Colin, 1979
X 2Σ+ 0 611.7 H 1.6  [0.4219] 2   [0.00000082]  [2.1791]  

Notes

1Λ-type doubling, Δνfe = +0.0938(J+1/2).
2Spin splitting constant γ0 = +0.0459.

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.

Carleer and Colin, 1979
Carleer; Colin, To be published cited in Huber and Herzberg, 1979, 1979, 82. [all data]

Huber and Herzberg, 1979
Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules, Van Nostrand Reinhold Company, New York, 1979, 716. [all data]

Notes

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