Sodium octamer


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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
4.10 ± 0.05PIHerrmann, Leutwyler, et al., 1978LLK
4.0PIRobbins, Leckenby, et al., 1967RDSH

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:   ?


 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)
TTentative assignment or approximate value
xEnergy 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

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