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

1,2,3,5-C6H2F4+


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:   B


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

To = 23323.7 gas B-X 400 470 Allan, Maier, et al., 1977
Cossart-Magos, Cossart, et al., 1979
Bondybey and Miller, 1979
Tuckett, 1981
To = 23232 Ne B-X 400 502 Bondybey, English, et al., 1980
To = 22903 Ar Bondybey, Miller, et al., 1979


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 2 1580 Ne LF Bondybey, English, et al., 1980
2 1582 Ar LF Bondybey, Miller, et al., 1979
3 1445 T Ne LF Bondybey, English, et al., 1980
3 1536 T Ar LF Bondybey, Miller, et al., 1979
5 1264 gas LF Bondybey and Miller, 1979
5 1259 Ne LF Bondybey, English, et al., 1980
5 1263 Ar LF Bondybey, Miller, et al., 1979
6 1140 Ne LF Bondybey, English, et al., 1980
8 783 Ne LF Bondybey, English, et al., 1980
8 783 Ar LF Bondybey, Miller, et al., 1979
9 569 gas LF Bondybey and Miller, 1979
Nibu, Fujii, et al., 1999
9 573 Ne LF Bondybey, English, et al., 1980
9 576 Ar LF Bondybey, Miller, et al., 1979
10 424 gas EM LF Cossart-Magos, Cossart, et al., 1979
Bondybey and Miller, 1979
Nibu, Fujii, et al., 1999
10 428 Ne LF Bondybey, English, et al., 1980
10 431 Ar LF Bondybey, Miller, et al., 1979
11 307 gas EM LF Cossart-Magos, Cossart, et al., 1979
Bondybey and Miller, 1979
Nibu, Fujii, et al., 1999
11 305 Ne LF Bondybey, English, et al., 1980
11 307 Ar LF Bondybey, Miller, et al., 1979

State:   A


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

gas B-A 520 600 Allan, Maier, et al., 1977
To = 2442 Ne Bondybey, Vaughn, et al., 1981

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 2 1650 gas EM LF Cossart-Magos, Cossart, et al., 1979
Tuckett, 1981
Nibu, Fujii, et al., 1999
2 1647 Ne LF Bondybey, English, et al., 1980
3 1458 gas EF Tuckett, 1981
3 1449 Ne LF Bondybey, English, et al., 1980
5 1318 gas EM EF Cossart-Magos, Cossart, et al., 1979
Tuckett, 1981
5 1305 Ne LF Bondybey, English, et al., 1980
8 785 Ne LF Bondybey, English, et al., 1980
9 584 gas EF LF Tuckett, 1981
Nibu, Fujii, et al., 1999
9 581 Ne LF Bondybey, English, et al., 1980
9 586 Ar LF Bondybey, Miller, et al., 1979
10 424 gas EM LF Cossart-Magos, Cossart, et al., 1979
Tuckett, 1981
Nibu, Fujii, et al., 1999
10 426 Ne LF Bondybey, English, et al., 1980
10 429 Ar LF Bondybey, Miller, et al., 1979
11 305 gas EM LF Cossart-Magos, Cossart, et al., 1979
Tuckett, 1981
Nibu, Fujii, et al., 1999
11 303 Ne LF Bondybey, English, et al., 1980
11 307 Ar LF Bondybey, Miller, et al., 1979

Additional references: Jacox, 1994, page 436; Jacox, 2003, page 400; Dujardin, Leach, et al., 1980; Maier and Thommen, 1981; Bondybey, Vaughn, et al., 1981, 2

Notes

TTentative assignment or approximate value
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.

Allan, Maier, et al., 1977
Allan, M.; Maier, J.P.; Marthaler, O., Radative relaxation of the B(«pi»-1)EXCITED ELECTRONIC STATES OF THE RADICAL CATIONS OF REXAFLUOROBENZENE, PENTAFLUOROBENZENE, 1,2,3,4-, 1,2,3,5-, 1,2,4,5-TETRAFLUOROBENZENE, 1,3,5-, 1,2,4-TRIFLUOROBENZENE AND 1,3-DIFLUOROBENZENE, Chem. Phys., 1977, 26, 1, 131, https://doi.org/10.1016/0301-0104(77)87099-7 . [all data]

Cossart-Magos, Cossart, et al., 1979
Cossart-Magos, C.; Cossart, D.; Leach, S., Emission spectra of seven fluorobenzene cations, Mol. Phys., 1979, 37, 3, 793, https://doi.org/10.1080/00268977900103201 . [all data]

Bondybey and Miller, 1979
Bondybey, V.E.; Miller, T.A., Laser induced fluorescence from fluorobenzene radical cations in the gas phase, J. Chem. Phys., 1979, 70, 1, 138, https://doi.org/10.1063/1.437231 . [all data]

Tuckett, 1981
Tuckett, R.P., Fluorescence spectra of fluorobenzene cations excited in a supersonic molecular beam, Chem. Phys., 1981, 58, 2, 151, https://doi.org/10.1016/0301-0104(81)80052-3 . [all data]

Bondybey, English, et al., 1980
Bondybey, V.E.; English, J.H.; Miller, T.A., Laser-induced fluorescence spectra of several nonsymmetrical fluorobenzene radical cations in solid Ne, J. Mol. Spectrosc., 1980, 81, 2, 455, https://doi.org/10.1016/0022-2852(80)90205-2 . [all data]

Bondybey, Miller, et al., 1979
Bondybey, V.E.; Miller, T.A.; English, J.H., Matrix laser fluorescence spectra of several fluorobenzene radical cations, J. Am. Chem. Soc., 1979, 101, 5, 1248, https://doi.org/10.1021/ja00499a033 . [all data]

Nibu, Fujii, et al., 1999
Nibu, Y.; Fujii, N.; Shimada, H., Electronic Spectra of Tetrafluorobenzene Cations Produced by Pulsed Glow Discharge in a Supersonic Free Jet., Bull. Chem. Soc. Japan, 1999, 72, 11, 2395, https://doi.org/10.1246/bcsj.72.2395 . [all data]

Bondybey, Vaughn, et al., 1981
Bondybey, V.E.; Vaughn, C.R.; Miller, T.A.; English, J.H.; Shiley, R.H., Halogenated benzene radical cations and ground state degeneracy splitting by asymmetric substitution, J. Chem. Phys., 1981, 74, 12, 6584, https://doi.org/10.1063/1.441120 . [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]

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]

Dujardin, Leach, et al., 1980
Dujardin, G.; Leach, S.; Taieb, G., Fluorescence quantum yields and lifetimes of nine fluorobenzene cations. Electronic state relaxation processes, Chem. Phys., 1980, 46, 3, 407, https://doi.org/10.1016/0301-0104(80)85217-7 . [all data]

Maier and Thommen, 1981
Maier, J.P.; Thommen, F., Fluorescence quantum yields and lifetimes of fluorobenzene cations in selected levels of their B and C states determined by photoelectron-photoion coincidence spectroscopy, Chem. Phys., 1981, 57, 319. [all data]

Bondybey, Vaughn, et al., 1981, 2
Bondybey, V.E.; Vaughn, C.; Miller, T.A.; English, J.H.; Shiley, R.H., Spectroscopy and decay dynamics of several methyl- and fluorine-substituted benzene radical cations, J. Am. Chem. Soc., 1981, 103, 21, 6303, https://doi.org/10.1021/ja00411a006 . [all data]


Notes

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