Sodium octamer
- Formula: Na8
- Molecular weight: 183.91815424
- CAS Registry Number: 39297-90-0
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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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
4.10 ± 0.05 | PI | Herrmann, Leutwyler, et al., 1978 | LLK |
4.0 | PI | Robbins, Leckenby, et al., 1967 | RDSH |
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: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 20400 | gas | Selby, Vollmer, et al., 1989 | |||||
Wang, Pollack, et al., 1990 | |||||||
Bonacic-Koutecky, Kappes, et al., 1990 | |||||||
Wang, Pollack, et al., 1990, 2 | |||||||
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 19600 | T | gas | Selby, Vollmer, et al., 1989 | ||||
Wang, Pollack, et al., 1990 | |||||||
Bonacic-Koutecky, Kappes, et al., 1990 | |||||||
Wang, Pollack, et al., 1990, 2 | |||||||
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 16900 | gas | Selby, Vollmer, et al., 1989 | |||||
Wang, Pollack, et al., 1990 | |||||||
Bonacic-Koutecky, Kappes, et al., 1990 | |||||||
Wang, Pollack, et al., 1990, 2 | |||||||
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 13500 | gas | Selby, Vollmer, et al., 1989 | |||||
Wang, Pollack, et al., 1990 | |||||||
Bonacic-Koutecky, Kappes, et al., 1990 | |||||||
Wang, Pollack, et al., 1990, 2 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | 134.7 | Ar | Ra | Kornath, Zoermer, et al., 2002 | ||
2 | 86.2 | Ar | Ra | Kornath, Zoermer, et al., 2002 | |||
e | 3 | 121.4 | Ar | Ra | Kornath, Zoermer, et al., 2002 | ||
4 | 17.0 | H | Ar | Ra | Kornath, Zoermer, et al., 2002 | ||
f2 | 7 | 81.3 | Ar | Ra | Kornath, Zoermer, et al., 2002 | ||
8 | 66.0 | Ar | Ra | Kornath, Zoermer, et al., 2002 | |||
Additional references: Jacox, 1994, page 381
Notes
H | (1/2)(2ν) |
T | Tentative assignment or approximate value |
x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
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.
Herrmann, Leutwyler, et al., 1978
Herrmann, A.; Leutwyler, S.; Schumacher, E.; Woste, L.,
38. On metal-atom clusters IV. Photoionization thresholds and multiphoton ionization spectra of alkali-metal molecules,
Helv. Chim. Acta, 1978, 61, 453. [all data]
Robbins, Leckenby, et al., 1967
Robbins, E.J.; Leckenby, R.E.; Willis, P.,
The ionization potentials of clustered sodium atoms,
Advan. Phys., 1967, 16, 739. [all data]
Selby, Vollmer, et al., 1989
Selby, K.; Vollmer, M.; Masui, J.; Kresin, V.; de Heer, W.; Knight, W.,
Surface plasma resonances in free metal clusters,
Phys. Rev. B, 1989, 40, 8, 5417, https://doi.org/10.1103/PhysRevB.40.5417
. [all data]
Wang, Pollack, et al., 1990
Wang, C.R.C.; Pollack, S.; Kappes, M.M.,
Molecular excited states versus collective electronic oscillations: Optical absorption proves of Na4 and Na8,
Chem. Phys. Lett., 1990, 166, 1, 26, https://doi.org/10.1016/0009-2614(90)87044-R
. [all data]
Bonacic-Koutecky, Kappes, et al., 1990
Bonacic-Koutecky, V.; Kappes, M.M.; Fantucci, P.; Koutecky, J.,
Interpretation of the absorption spectrum of Na8,
Chem. Phys. Lett., 1990, 170, 1, 26, https://doi.org/10.1016/0009-2614(90)87084-5
. [all data]
Wang, Pollack, et al., 1990, 2
Wang, C.R.C.; Pollack, S.; Cameron, D.; Kappes, M.M.,
Optical absorption spectroscopy of sodium clusters as measured by collinear molecular beam photodepletion,
J. Chem. Phys., 1990, 93, 6, 3787, https://doi.org/10.1063/1.458765
. [all data]
Kornath, Zoermer, et al., 2002
Kornath, A.; Zoermer, A.; Ludwig, R.,
Formation of the Magic Cluster Na,
Inorg. Chem., 2002, 41, 24, 6206, https://doi.org/10.1021/ic011161m
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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