Tantalum dioxide
- Formula: O2Ta
- Molecular weight: 212.9467
- IUPAC Standard InChI: InChI=1S/2O.Ta/q2*-2;+4
- IUPAC Standard InChIKey: DPWBZNOQZSTFQV-UHFFFAOYSA-N
- CAS Registry Number: 12036-14-5
- Chemical structure:
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Vibrational and/or electronic energy levels
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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: Marilyn E. Jacox
State: B
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 16232 | Ne | B-X | 558 | 616 | Weltner and McLeod, 1965 | ||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| 2 | Bend | 281 | Ne | AB | Weltner and McLeod, 1965 | ||
State: A
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 11615 | Ne | A-X | 716 | 861 | Weltner and McLeod, 1965 | ||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| 1 | Sym. stretch | 937 | Ne | AB | Weltner and McLeod, 1965 | ||
| 2 | Bend | 285 | Ne | AB | Weltner and McLeod, 1965 | ||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1 | 1 | Sym. stretch | 965.3 | Ar | IR | Weltner and McLeod, 1965 Zhou and Andrews, 1998 Chen, Wang, et al., 1999 | |
| b2 | 3 | Asym. stretch | 912.2 | Ar | IR | Weltner and McLeod, 1965 Zhou and Andrews, 1998 Chen, Wang, et al., 1999 | |
Additional references: Jacox, 1998, page 176; Jacox, 2003, page 104
Notes
| o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, 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.
Weltner and McLeod, 1965
Weltner, W., Jr.; McLeod, D., Jr.,
Spectroscopy of TaO and TaO2 in Neon and Argon Matrices at 4° and 20°K,
J. Chem. Phys., 1965, 42, 3, 882, https://doi.org/10.1063/1.1696076
. [all data]
Zhou and Andrews, 1998
Zhou, M.; Andrews, L.,
Reactions of Laser-Ablated Niobium and Tantalum Atoms with Oxygen Molecules: Infrared Spectra of Niobium and Tantalum Oxide Molecules, Anions, and Cations,
J. Phys. Chem. A, 1998, 102, 43, 8251, https://doi.org/10.1021/jp982212c
. [all data]
Chen, Wang, et al., 1999
Chen, M.; Wang, X.; Zhang, L.; Yu, M.; Qin, Q.,
Matrix-isolation infrared spectroscopic studies on ablated products generated from laser ablation of Ta2O5 and Ta in ambient O2/Ar gas,
Chem. Phys., 1999, 242, 1, 81, https://doi.org/10.1016/S0301-0104(99)00005-1
. [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, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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