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BiF


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 209Bi19F
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
C 44222.0 615.0 H 2.50  1      C lrarrow X V 44274 H
Rochester, 1937; Joshi, 1961; missing citation; missing citation
unident. 2           V 36979 HQ
Rochester, 1937; missing citation; missing citation
unident. 3           V 32179 H
Rochester, 1937; missing citation; missing citation
B 25986.4 602.0 4 H 3.50        B lrarrow X 4 26033 H
Patel and Narayanan, 1967
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 0+ 22959.7 381.0 H 3.00 5 0.1 6      A lrarrow X R 22894.6 H
missing citation
R shaded emission bands in the region 14350 - 16050 cm-1; omega'e ~ 399, omega" ~ 535
Patel and Narayanan, 1967; Murty, Rao, et al., 1975
X 0+ 0 510.7 H 2.05  6       

Notes

1Rotationa1 analyses Murty and Rao, 1967, Mohanty, Rai, et al., 1968, Chaudhry, Upadhya, et al., 1968, Chaudhry, Upadhya, et al., 1969.
2Two systems 1 (emission only) with omega'e = 611.8, omega"e = 542.7 (P,Q heads).
3Two systems 1 (emission only) with omega'e = 614.4, omega"e = 535.0
4Complex system of V and R shaded bands. The constants above refer to the V shaded heads.
5missing note
6Rotational analyses of several A-X bands in Rao and Rao, 1962, Rao and Rao, 1965 [B'0= 0.2097 Rao and Rao, 1962, Rao and Rao, 1965, B"0= 0.2307 Rao and Rao, 1962, Rao and Rao, 1965] and Mohanty and Upadhya, 1967 [B'0= 0.2090 Mohanty and Upadhya, 1967, B"0= 0.2295 Mohanty and Upadhya, 1967].

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.

Rochester, 1937
Rochester, G.D., The band spectra of SbF and BiF, Phys. Rev., 1937, 51, 486. [all data]

Joshi, 1961
Joshi, K.C., The absorption spectrum of the BiF molecule in the ultra-violet region, Proc. Phys. Soc. London, 1961, 78, 610. [all data]

Patel and Narayanan, 1967
Patel, M.M.; Narayanan, P.S., The emission spectrum of bismuth fluoride (B-system), Indian J. Pure Appl. Phys., 1967, 5, 223. [all data]

Murty, Rao, et al., 1975
Murty, P.S.; Rao, D.V.K.; Reddy, Y.P.; Rao, P.T., A new band system of BiF molecule in the region «lambda»6200-«lambda»7000 Å, Spectrosc. Lett., 1975, 8, 217. [all data]

Murty and Rao, 1967
Murty, P.S.; Rao, P.T., Fine structure analysis of the C1-X2 ultraviolet system of BiF, Curr. Sci., 1967, 36, 661. [all data]

Mohanty, Rai, et al., 1968
Mohanty, B.S.; Rai, D.K.; Upadhya, K.N.; Singh, N.L., Rotational structure of the 2650-2850 Å system of the BiF molecule, J. Phys. B:, 1968, 1, 523. [all data]

Chaudhry, Upadhya, et al., 1968
Chaudhry, A.K.; Upadhya, K.N.; Rai, D.K.; Mohanty, B.S., Rotational structure of the 3050-3250 Å system of the BiF molecule, J. Phys. B:, 1968, 1, 1223. [all data]

Chaudhry, Upadhya, et al., 1969
Chaudhry, A.K.; Upadhya, K.N.; Rai, D.K., Rotational structure of the 2250 Å system of the BiF molecule, J. Phys. B:, 1969, 2, 628. [all data]

Rao and Rao, 1962
Rao, T.A.P.; Rao, P.T., Rotational analysis of the visible band system of the BiF molecule, Can. J. Phys., 1962, 40, 1077. [all data]

Rao and Rao, 1965
Rao, K.M.; Rao, P.T., The visible emission spectrum of BiF, Indian J. Phys., 1965, 39, 572. [all data]

Mohanty and Upadhya, 1967
Mohanty, B.S.; Upadhya, K.N., Rotational analysis of some visible bands of BiF molecule, Curr. Sci., 1967, 36, 478-479. [all data]


Notes

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