P4+

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:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 42400 T gas Brundle, Kuebler, et al., 1972
Evans, Joachim, et al., 1972

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 22800 ± 100 gas Brundle, Kuebler, et al., 1972
Evans, Joachim, et al., 1972
Wang, Niu, et al., 1990
To = 22936 ± 6 Ar B-X 398 436 Andrews and Mielke, 1990
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 Sym. stretch 577 ± 5 gas PE Brundle, Kuebler, et al., 1972
Evans, Joachim, et al., 1972
Wang, Niu, et al., 1990
1 Sym. stretch 550 ± 10 Ar AB Andrews and Mielke, 1990

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 9280 ± 800 gas Brundle, Kuebler, et al., 1972
Evans, Joachim, et al., 1972
Wang, Niu, et al., 1990
Tx = 9570 T Ar A-X Andrews and Mielke, 1990
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
f2 3 400 ± 10 gas PE Wang, Niu, et al., 1990

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
e 2 315 ± 10 gas PE Wang, Niu, et al., 1990, 2
2 275 ± 10 gas PE Wang, Niu, et al., 1990, 2

Additional references: Jacox, 1994, page 187

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.
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.

Brundle, Kuebler, et al., 1972
Brundle, C.R.; Kuebler, N.A.; Robin, M.B.; Basch, H., Ionization potentials of the tetraphosphorus molecule, Inorg. Chem., 1972, 11, 20. [all data]

Evans, Joachim, et al., 1972
Evans, S.; Joachim, P.J.; Orchard, A.F.; Turner, D.W., A study of the orbital electronic structure of the P4 molecule by photoelectron spectroscopy, Int. J. Mass Spectrom. Ion Phys., 1972, 9, 41. [all data]

Wang, Niu, et al., 1990
Wang, L.-S.; Niu, B.; Lee, Y.T.; Shirley, D.A.; Ghelichkhani, E.; Grant, E.R., Photoelectron spectroscopy and electronic structure of clusters of the group V elements. III. Tetramers: The 2T2 and 2A1 excited states of P+4, As+4, and Sb+4, J. Chem. Phys., 1990, 93, 9, 6327, https://doi.org/10.1063/1.458975 . [all data]

Andrews and Mielke, 1990
Andrews, L.; Mielke, Z., Vibronic absorption spectra of phosphorus molecules (P4+ and P3) in solid argon, J. Phys. Chem., 1990, 94, 6, 2348, https://doi.org/10.1021/j100369a029 . [all data]

Wang, Niu, et al., 1990, 2
Wang, L.-S.; Niu, B.; Lee, Y.T.; Shirley, D.A.; Ghelichkhani, E.; Grant, E.R., Photoelectron spectroscopy and electronic structure of clusters of the group V elements. II. Tetramers: Strong Jahn--Teller coupling in the tetrahedral 2E ground states of P+4, As+4, and Sb+4, J. Chem. Phys., 1990, 93, 9, 6318, https://doi.org/10.1063/1.459698 . [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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