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Yttrium monosulfide


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 July, 1975

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 89Y(32)S
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 2Pi 13971 [438]         A larrow X 1 13949
McIntyre, Lin, et al., 1972
13462 [447]         A larrow X 1 13444
McIntyre, Lin, et al., 1972
X 2Sigma 0 [483]         1 

Notes

1Visible, IR, and ESR spectra of YS in rare gas matrices at 4 K McIntyre, Lin, et al., 1972. Gas phase spectrum not observed.
2Thermochemica1 value (mass-spectrometry) Coppens, Smoes, et al., 1967.

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.

McIntyre, Lin, et al., 1972
McIntyre, N.S.; Lin, K.C.; Weltner, W., Jr., ESR and optical spectra of the ScS and YS molecules, J. Chem. Phys., 1972, 56, 5576. [all data]

Coppens, Smoes, et al., 1967
Coppens, P.; Smoes, S.; Drowart, J., Mass spectrometric determination of the dissociation energies of the molecules GeS, ScS, YS, LaS, and CeS, Trans. Faraday Soc., 1967, 63, 2140. [all data]


Notes

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