Si7

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:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 9200 ± 400 gas Xu, Taylor, et al., 1998

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1' 435 N2 Ra Honea, Ogura, et al., 1993
2 385 ± 20 gas PE Ickingkonert, Handschuh, et al., 1996
Xu, Taylor, et al., 1998
358 N2 Ra Honea, Ogura, et al., 1993
e1' 422.4 Ar IR Li, Van Zee, et al., 1995
420.4 Kr IR Li, Van Zee, et al., 1995
e2' 340 N2 Ra Honea, Ogura, et al., 1993
289 N2 Ra Honea, Ogura, et al., 1993

Additional references: Jacox, 1998, page 329; Jacox, 2003, page 344

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Xu, Taylor, et al., 1998
Xu, C.; Taylor, T.R.; Burton, G.R.; Neumark, D.M., Vibrationally resolved photoelectron spectroscopy of silicon cluster anions Si[sub n][sup -] (n=3--7), J. Chem. Phys., 1998, 108, 4, 1395, https://doi.org/10.1063/1.475511 . [all data]

Honea, Ogura, et al., 1993
Honea, E.C.; Ogura, A.; Murray, C.A.; Raghavachari, K.; Sprenger, W.O.; Jarrold, M.F.; Brown, W.L., Raman spectra of size-selected silicon clusters and comparison with calculated structures, Nature, 1993, 366, 6450, 42, https://doi.org/10.1038/366042a0 . [all data]

Ickingkonert, Handschuh, et al., 1996
Ickingkonert, G.S.; Handschuh, H.; Bechthold, P.S.; Gantefor, G.; Kessler, B.; Eberhardt, W., VIBRATIONALLY RESOLVED PHOTOELECTRON SPECTRA OF ANNEALED AND CLUSTERS, Surf. Rev. and Lett., 1996, 3, 01, 483, https://doi.org/10.1142/S0218625X96000875 . [all data]

Li, Van Zee, et al., 1995
Li, S.; Van Zee, R.J.; Weltner, W., Jr.; Raghavachari, K., Si3«58872»Si7. Experimental and theoretical infrared spectra, Chem. Phys. Lett., 1995, 243, 3-4, 275, https://doi.org/10.1016/0009-2614(95)00836-S . [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

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