Terbium monoxide
- Formula: OTb
- Molecular weight: 174.9248
- CAS Registry Number: 12035-91-5
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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 June, 1975
| Symbol | Meaning |
|---|---|
| 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) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mostly R shaded emission bands in the region 15400 - 19000 cm-1; no analysis. | ||||||||||||
| ↳missing citation; Herrmann and Alkemade, 1963 | ||||||||||||
| X | 0 | [824.3] 1 | ||||||||||
| ↳Gabelnick, Reedy, et al., 1974 | ||||||||||||
Notes
| 1 | From the IR spectrum of Tb16O in argon at 15 K; for Tb18O at 781.7 cm-1. Derived constants ωe = 828.4 Gabelnick, Reedy, et al., 1974, ωexe = 2.1 Gabelnick, Reedy, et al., 1974. |
| 2 | Thermochemical value (mass-spectrometry) Ames, Walsh, et al., 1967, recalculated Smoes, Coppens, et al., 1969. |
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.
Herrmann and Alkemade, 1963
Herrmann, R.; Alkemade, C.T.J.,
Chemical analysis by flame photometry [Second Revised Edition], Interscience Publishers, New York, 1963, 644. [all data]
Gabelnick, Reedy, et al., 1974
Gabelnick, S.D.; Reedy, G.T.; Chasanov, M.G.,
Infrared spectra and structure of some matrix-isolated lanthanide and actinide oxides,
J. Chem. Phys., 1974, 60, 3, 1167, https://doi.org/10.1063/1.1681128
. [all data]
Ames, Walsh, et al., 1967
Ames, L.L.; Walsh, P.N.; White, D.,
Rare earths. IV. Dissocaition energies of the gaseous monoxides of the rare earths,
J. Phys. Chem., 1967, 71, 2707. [all data]
Smoes, Coppens, et al., 1969
Smoes, S.; Coppens, P.; Bergman, C.; Drowart, J.,
Mass spectrometric determination of the dissociation energies of the gaseous rare earth monosulphides,
Trans. Faraday Soc., 1969, 65, 682. [all data]
Notes
Go To: Top, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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