Sodium tetramer

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
B - John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
0.91 ± 0.15LPESMcHugh, Eaton, et al., 1989Vertical Detachment Energy: 1.145±0.027 eV; B

Ionization energy determinations

IE (eV) Method Reference Comment
4.27 ± 0.05PIHerrmann, Leutwyler, et al., 1978LLK
4.2 ± 0.1PIRobbins, 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:   H
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 26900 gas Wang, Pollack, et al., 1990

State:   G
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 25400 gas Wang, Pollack, et al., 1990

State:   F
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 22400 gas Wang, Pollack, et al., 1990, 2
Wang, Pollack, et al., 1990

State:   E
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 20200 gas Wang, Pollack, et al., 1990, 2
Wang, Pollack, et al., 1990

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 17600 gas Wang, Pollack, et al., 1990, 2
Wang, Pollack, et al., 1990

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 16000 gas Wang, Pollack, et al., 1990, 2
Wang, Pollack, et al., 1990

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 14500 gas Wang, Pollack, et al., 1990, 2
Wang, Pollack, et al., 1990

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 13200 gas Wang, Pollack, et al., 1990, 2
Wang, Pollack, et al., 1990

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
ag 1 164.0 Ar Ra Kornath, Zoermer, et al., 2002
2 54.2 Ar Ra Kornath, Zoermer, et al., 2002
b3g 3 105.4 Ar Ra Kornath, Zoermer, et al., 2002

Additional references: Jacox, 1994, page 180

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.

McHugh, Eaton, et al., 1989
McHugh, K.M.; Eaton, J.G.; Lee, G.H.; Sarkas, H.W.; Kidder, L.H.; Snodgrass, J.T.; Manaa, M.R.; Bowen, K.H., Photoelectron Spectra of the alkali metal cluster Anions: Na-,n=2-5, K-,n=2-7, Rb-,n=2-3, and Cs-,n=2-3, J. Chem. Phys., 1989, 91, 6, 3792, https://doi.org/10.1063/1.456861 . [all data]

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]

Wang, Pollack, et al., 1990
Wang, C.R.C.; Pollack, S.; Cameron, D.; Kappes, M.M., Optical absorption spectroscopy of sodium clusters as measured by collinear molecular beam photodepletion, J. Chem. Phys., 1990, 93, 6, 3787, https://doi.org/10.1063/1.458765 . [all data]

Wang, Pollack, et al., 1990, 2
Wang, C.R.C.; Pollack, S.; Kappes, M.M., Molecular excited states versus collective electronic oscillations: Optical absorption proves of Na4 and Na8, Chem. Phys. Lett., 1990, 166, 1, 26, https://doi.org/10.1016/0009-2614(90)87044-R . [all data]

Kornath, Zoermer, et al., 2002
Kornath, A.; Zoermer, A.; Ludwig, R., Formation of the Magic Cluster Na, Inorg. Chem., 2002, 41, 24, 6206, https://doi.org/10.1021/ic011161m . [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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