Sodium heptamer

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
4.04 ± 0.05PIHerrmann, Leutwyler, et al., 1978LLK
3.9PIRobbins, 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 = 21400 gas Selby, Kresin, et al., 1991
Wang, Pollack, et al., 1992

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 19400 gas Selby, Kresin, et al., 1991
Wang, Pollack, et al., 1992

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 17800 gas Selby, Kresin, et al., 1991
Wang, Pollack, et al., 1992

Additional references: Jacox, 1994, page 369

Notes

xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.

References

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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, 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

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