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La2


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 February, 1975

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 139La2
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Narrow V shaded bands in emission from a King furnace, tentatively attributed to La2 and assigned to three sequences in the region 16400 - 16600 cm-1.
Carette and Blondeau, 1969

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.

Carette and Blondeau, 1969
Carette, P.; Blondeau, J.-M., Le spectre visible de la molecule La2, C.R. Acad. Sci. Paris, Ser. B, 1969, 269, 16. [all data]


Notes

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