Si6

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 = 6450 T gas Xu, Taylor, et al., 1998
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
323 ± 20 gas PE Xu, Taylor, et al., 1998

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1g 458 N2 Ra Honea, Ogura, et al., 1993
300 N2 Ra Honea, Ogura, et al., 1993
b1g 386 N2 Ra Honea, Ogura, et al., 1993
b2g 252 N2 Ra Honea, Ogura, et al., 1993
eg 404 N2 Ra Honea, Ogura, et al., 1993
eu 462.9 Ne IR Li, Van Zee, et al., 1995
460.9 Ar IR Li, Van Zee, et al., 1995
458.5 Kr IR Li, Van Zee, et al., 1995

Additional references: Jacox, 1998, page 318; Jacox, 2003, page 326

Notes

TTentative assignment or approximate value
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]

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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