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Boron monochloride


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 March, 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 11B35Cl
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 1Pi 36750.92 849.04 HQ 11.37 1 -0.100 0.7054 2 0.00820 3 -0.00050 1.60E-06 4 0.00000027 1.6894 A lrarrow X 5 VR 36754.30 HQ
missing citation
a 3Pi1 20200 911 5.7  0.6986 0.0047    1.698 a rarrow X V 20235.70 Z
Lebreton, Marsigny, et al., 1971
X 1Sigma+ 0 839.12 HQ 5.11  0.6838 2 0.00646  0.00000172 0.00000007 1.7159  

Notes

1omegaeze = -0.0271.
2RKR potential curve Gelebart and Johannin-Gilles, 1968.
3missing note
4Extrapolation of A 1Pi; see Barrow, 1960.
5Radiative lifetime tau(v=0,1,2)= 19.1 ns Hesser, 1968; f00(AlarrowX) = 0.11.
6betae= 0.7E-7

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.

Lebreton, Marsigny, et al., 1971
Lebreton, J.; Marsigny, L.; Ferran, J., Caracterisation d'une nouvelle transition de la molecule 11B35Cl (systeme 3«PI»1-->X1«SIGMA»+), C.R. Acad. Sci. Paris, Ser. C, 1971, 272, 1094. [all data]

Gelebart and Johannin-Gilles, 1968
Gelebart, F.; Johannin-Gilles, A., Les courbes d'energie potentielle des etats 1«PI» et 1«SIGMA»+ de la molecule BCl, C.R. Acad. Sci. Paris, Ser. B, 1968, 267, 408. [all data]

Barrow, 1960
Barrow, R.F., Dissociation energies of the gaseous monohalides of boron, aluminium, gallium, indium, and thallium, Trans. Faraday Soc., 1960, 56, 952. [all data]

Hesser, 1968
Hesser, J.E., Absolute Transition Probabilities in Ultraviolet Molecular Spectra, J. Chem. Phys., 1968, 48, 6, 2518, https://doi.org/10.1063/1.1669477 . [all data]


Notes

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