Sodium pentamer
- Formula: Na5
- Molecular weight: 114.94884640
- CAS Registry Number: 39297-87-5
- Information on this page:
- Options:
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
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.10 ± 0.10 | LPES | McHugh, Eaton, et al., 1989 | Vertical Detachment Energy: 1.200±0.050 eV; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 4.05 ± 0.05 | PI | Herrmann, Leutwyler, et al., 1978 | LLK |
| 3.9 | 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 = 16500 | gas | Selby, Kresin, et al., 1991 | |||||
| Wang, Pollack, et al., 1992 | |||||||
Additional references: Jacox, 1994, page 277
Notes
| 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.
McHugh, Eaton, et al., 1989
McHugh, K.M.; Eaton, J.G.; Lee, G.H.; Sarkas, H.W.; Kidder, L.H.; Snodgrass, J.T.; Manaa, M.R.; Bowen, K.H.,
Photoelectron Spectra of the alkali metal cluster Anions: Na-,n=2-5, K-,n=2-7, Rb-,n=2-3, and Cs-,n=2-3,
J. Chem. Phys., 1989, 91, 6, 3792, https://doi.org/10.1063/1.456861
. [all data]
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, Kresin, et al., 1991
Selby, K.; Kresin, V.; Masui, J.; Vollmer, M.; de Heer, W.A.; Scheidemann, A.; Knight, W.D.,
Photoabsorption spectra of sodium clusters,
Phys. Rev. B, 1991, 43, 6, 4565, https://doi.org/10.1103/PhysRevB.43.4565
. [all data]
Wang, Pollack, et al., 1992
Wang, C.R.C.; Pollack, S.; Dahlseid, T.A.; Koretsky, G.M.; Kappes, M.M.,
Photodepletion probes of Na5, Na6, and Na7. Molecular dimensionality transition (2D→3D)?,
J. Chem. Phys., 1992, 96, 11, 7931, https://doi.org/10.1063/1.462345
. [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
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.