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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 January, 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 T19F
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
X 1Sigma+ 0 2508.54 1 Z 32.54 1  7.692 0.176 0.0019 [2.6E-4]  0.9176  
Jones and Goldblatt, 1957

Notes

1From the 1-0 and 2-0 rotation-vibration bands using calculated values of omegaeye and omegaeze Jones and Goldblatt, 1957.
2From D00(HF).

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.

Jones and Goldblatt, 1957
Jones, L.H.; Goldblatt, M., Infrared spectrum and molecular constants of gaseous tritium fluoride, J. Mol. Spectrosc., 1957, 1, 43-48. [all data]


Notes

Go To: Top, Constants of diatomic molecules, References