praseodymium dioxide
- Formula: O2Pr
- Molecular weight: 172.9064
- CAS Registry Number: 12036-05-4
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 9.6 ± 0.5 | EI | Staley and Norman, 1969 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| PrO+ | 10.9 ± 0.5 | O | EI | Staley and Norman, 1969 | |
| Pr+ | 12.9 ± 0.5 | ? | EI | Staley and Norman, 1969 |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Marilyn E. Jacox
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| Σg+ | 1 | Sym. stretch | 711.7 | T | Ne | IR | Willson and Andrews, 1999 |
| 1 | Sym. stretch | 696.0 | T | Ar | IR | Willson and Andrews, 1999 | |
| Σu+ | 3 | Asym. stretch | 752.5 | Ne | IR | Willson and Andrews, 1999 | |
| 3 | Asym. stretch | 730.1 | Ar | IR | DeKock and Weltner, 1971 Gabelnick, Reedy, et al., 1974 Willson and Andrews, 1999 | ||
Additional references: Jacox, 1998, page 179; Jacox, 2003, page 109
Notes
| T | Tentative assignment or approximate value |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Staley and Norman, 1969
Staley, H.G.; Norman, J.H.,
Thermodynamics of gaseous monoxide-dioxide equilibria for cerium, praseodymium and neodymium,
Intern. J. Mass Spectrom. Ion Phys., 1969, 2, 35. [all data]
Willson and Andrews, 1999
Willson, S.P.; Andrews, L.,
Characterization of the Reaction Products of Laser-Ablated Early Lanthanide Metal Atoms with Molecular Oxygen. Infrared Spectra of LnO, LnO,
J. Phys. Chem. A, 1999, 103, 17, 3171, https://doi.org/10.1021/jp990005m
. [all data]
DeKock and Weltner, 1971
DeKock, R.L.; Weltner, W., Jr.,
Spectroscopy of rare earth oxide molecules in inert matrices at 4.deg.K,
J. Phys. Chem., 1971, 75, 4, 514, https://doi.org/10.1021/j100674a013
. [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]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Jacox, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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