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TBr


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 December, 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 T81Br
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
X 1Sigma+ 0 [1519.26] 1 Z (15.48)  [2.874466] 2 0.0459 1  0.45E-4 1  1.41456 3  
Jones and Robinson, 1956
Rotation sp. 4
Burrus and Gordy, 1955

Notes

1From the rotation-vibration spectrum of the isotopic mixture (79,81Br).
2From the microwave spectrum Burrus and Gordy, 1955 assuming the infrared D value.
3Rotation-vibration band 1
4Quadrupole coupling constants Tokuhiro, 1967.
5From D00(HBr).

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.

Jones and Robinson, 1956
Jones, L.H.; Robinson, E.S., Infrared spectra and molecular constants of gaseous tritium bromide and tritium chloride, J. Chem. Phys., 1956, 24, 1246. [all data]

Burrus and Gordy, 1955
Burrus, C.A.; Gordy, W., One-to-two millimeter wave spectra of TCl and TBr, Phys. Rev., 1955, 97, 1661. [all data]

Tokuhiro, 1967
Tokuhiro, T., Vibrational and rotational effects on the nuclear quadrupole coupling constants in hydrogen, deuterium, and tritium halides, J. Chem. Phys., 1967, 47, 109. [all data]


Notes

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