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Ytterbium 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: K.P. Huber and G. 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 (174)Yb(35)Cl
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
B (2Sigma) 2 19928.0 315.0 H 2.0 1        B rarrow X V 19939.1 H
Gatterer, Piccardi, et al., 1942
A2 (2Pi) 2 19369.3 314.6 H 1.38        A2 rarrow X V 19380.0 H
missing citation
A1 (2Pi) 2 17882.0 3 314.4 H 1.12 .0072       A1 rarrow X V 17892.1 H
missing citation
X (2Sigma) 0 2 293.6 4 H 1.23 4         

Notes

1(fragment only)
2Uncertain. The D values from the rotational analysis are approximately twice as large as the values calculated from D = 4B3/omega2.
3Not certain that this is the ground state.
4missing note

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.

Gatterer, Piccardi, et al., 1942
Gatterer, A.; Piccardi, G.; Vincenzi, Fr., Uber zwei bandenspektren des ytterbiums, Ric. Spettrosc. Lab. Astrofis. Specola Vaticana, 1942, 1, 181. [all data]


Notes

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