Li4

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:   2 1B1u
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 23618 gas Broyer, Chevaleyre, et al., 1990
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
145 T gas DPI Broyer, Chevaleyre, et al., 1990

State:   2 1B2u
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 21386 gas Broyer, Chevaleyre, et al., 1990
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
210 gas DPI Broyer, Chevaleyre, et al., 1990

State:   2 1B3u
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 16807 gas Broyer, Chevaleyre, et al., 1990

State:   1 1B2u
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 14750 gas Broyer, Chevaleyre, et al., 1990

State:   1 1B3u
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 14526 gas Broyer, Chevaleyre, et al., 1990

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
ag 1 326.8 Ar Ra Kornath, Kaufmann, et al., 2003
2 200.5 T Ar Ra Kornath, Kaufmann, et al., 2003
b1g 3 234.8 T Ar Ra Kornath, Kaufmann, et al., 2003

Additional references: Jacox, 1994, page 180

Notes

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

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Broyer, Chevaleyre, et al., 1990
Broyer, M.; Chevaleyre, J.; Dugourd, Ph.; Wolf, J.P.; Woste, L., Electronic and vibronic structure of Li_{4} observed by depletion spectroscopy, Phys. Rev. A, 1990, 42, 11, 6954, https://doi.org/10.1103/PhysRevA.42.6954 . [all data]

Kornath, Kaufmann, et al., 2003
Kornath, A.; Kaufmann, A.; Zoermer, A.; Ludwig, R., Raman spectroscopic investigation of small matrix-isolated lithium clusters, J. Chem. Phys., 2003, 118, 15, 6957, https://doi.org/10.1063/1.1555800 . [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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