Holmium monoxide
- Formula: HoO
- Molecular weight: 180.9297
- CAS Registry Number: 12281-10-6
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Gas phase ion energetics data
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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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 6.1 ± 0.5 | EI | Murad and Hildenbrand, 1980 | LLK |
| 6.2 ± 0.1 | EI | Ackermann, Rauh, et al., 1976 | LLK |
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 February, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R shaded emission bands from 21700 to 23000 cm-1. | ||||||||||||
| ↳Mavrodineanu and Boiteux, 1965 | ||||||||||||
| (18795) | ||||||||||||
| ↳missing citation; missing citation | ||||||||||||
| (17881) | ||||||||||||
| ↳missing citation; missing citation | ||||||||||||
Notes
| 1 | Thermochemical value (mass-spectrom. Ames, Walsh, et al., 1967), recalculated Smoes, Coppens, et al., 1969. |
References
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Murad and Hildenbrand, 1980
Murad, E.; Hildenbrand, D.L.,
Dissociation energies of GdO, HoO, ErO, TmO, and LuO. Correlation of results for the lanthanide monoxide series,
J. Chem. Phys., 1980, 73, 4005. [all data]
Ackermann, Rauh, et al., 1976
Ackermann, R.J.; Rauh, E.G.; Thorn, R.J.,
The thermodynamics of ionization of gaseous oxides; the first ionization potentials of the lanthanide metals and monoxides,
J. Chem. Phys., 1976, 65, 1027. [all data]
Mavrodineanu and Boiteux, 1965
Mavrodineanu, R.; Boiteux, H.,
Flame Spectroscopy, John Wiley & Sons, Inc., New York, 1965, 721. [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
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