Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Si7


Vibrational and/or electronic energy levels

Go To: Top, 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:   A


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (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

Go To: Top, 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.

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

Go To: Top, Vibrational and/or electronic energy levels, References