Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Beryllium iodide


Constants of diatomic molecules

Go To: Top, 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 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
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 2Pi3/2     [0.4182]   [0.0000008]  [2.1887] A rarrow X R 23900.83 Z
missing citation; Carleer and Colin, 1979
A 2Pi1/2 23544.7 603.8 H 2.1  [0.4216] 1   [0.00000073]  [2.1799] A rarrow X R 23540.59 Z
missing citation; Carleer and Colin, 1979
X 2Sigma+ 0 611.7 H 1.6  [0.4219] 2   [0.00000082]  [2.1791]  

Notes

1Lambda-type doubling, Deltanufe = +0.0938(J+1/2).
2Spin splitting constant gamma0 = +0.0459.

References

Go To: Top, 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.

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

Go To: Top, Constants of diatomic molecules, References