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BiBr


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 May, 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 209Bi79Br
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Fragments of three systems of V shaded absorption bands in the regions 40800 - 45000 and 33700 - 36900 cm-1.
Sur and Majumdar, 1954
B 24710.9 265.34 H 1.956        B larrow X V? 24738.4 H
missing citation
A 0+ 20532 135.91 H 0.534 1 -0.103 (0.0364) (0.00025)    (2.84) A lrarrow X R 20495.2 H
missing citation; Sankaranarayanan, Patel, et al., 1963; Singh, 1968; Lal, Mohamed, et al., 1975
X 0+ 0 209.50 2 H 0.45  (0.04321526) 3 0.000132695 7.68E-08 7.347E-9  2.609503 4  
Kuijpers and Dymanus, 1976

Notes

1Convergence limit at 22120 cm-1.
2From the A-X system. Similar constants from B-X.
3missing note
4microwave sp.

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.

Sur and Majumdar, 1954
Sur, P.K.; Majumdar, K., The absorption spectrum of BiBr, Proc. Natl. Inst. Sci. India, 1954, 20, 235. [all data]

Sankaranarayanan, Patel, et al., 1963
Sankaranarayanan, S.; Patel, M.M.; Narayanan, P.S., The emission spectrum of bismuth bromide (BiBr)-"A" system, Proc. Indian Acad. Sci. Sect. A, 1963, 56, 171. [all data]

Singh, 1968
Singh, S.P., Emission spectrum of the A-X system of BiBr molecule, Indian J. Pure Appl. Phys., 1968, 6, 299. [all data]

Lal, Mohamed, et al., 1975
Lal, K.M.; Mohamed, K.A.; Khanna, B.N., On the visible band system of BiBr molecule: determination of the rotational constants of Bi79Br & Bi81Br, Indian J. Pure Appl. Phys., 1975, 13, 53. [all data]

Kuijpers and Dymanus, 1976
Kuijpers, P.; Dymanus, A., Rotational spectrum of BiBr, Chem. Phys. Lett., 1976, 39, 217. [all data]


Notes

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