CH2=CHBr+

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:   F
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 73150 ± 80 gas Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000

State:   E
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 49260 ± 80 gas Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 41440 ± 80 gas Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 25380 ± 80 gas Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 20460 ± 80 gas Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 8858 gas Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000
Qian, Lau, et al., 2004
Lee and Kim, 2005
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 4 1566 gas TPI Lee and Kim, 2005
6 1193 gas TPE TPI Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000
Qian, Lau, et al., 2004
Lee and Kim, 2005
8 468 gas TPE TPI Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000
Qian, Lau, et al., 2004
Lee and Kim, 2005
9 270 gas TPE TPI Hoxha, Locht, et al., 2000
Lee and Kim, 2005
a 10 1002 gas TPI Lee and Kim, 2005
11 844 gas TPI Lee and Kim, 2005
12 566 gas TPI Lee and Kim, 2005

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 3 CH stretch 2540 ± 30 gas TPE Hoxha, Locht, et al., 2000
4 1470 gas TPI Lee and Kim, 2003
5 1309 gas TPE TPI Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000
Lee and Kim, 2003
6 1258 gas TPI Lee and Kim, 2003
7 1037 gas TPI Lee and Kim, 2003
8 CBr stretch 700 gas TPE TPI Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000
Lee and Kim, 2003
9 CH2 rock 348 gas TPE TPI Chadwick, Frost, et al., 1972
Mines and Thompson, 1973
Hoxha, Locht, et al., 2000
Lee and Kim, 2003
a 10 1037 T gas TPI Lee and Kim, 2003
11 838 gas TPI Lee and Kim, 2003
12 392 gas TPI Lee and Kim, 2003

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.

Chadwick, Frost, et al., 1972
Chadwick, D.; Frost, D.C.; Katrib, A.; McDowell, C.A.; McLean, R.A.N., Photoelectron spectra of some bromoethylenes and 2-bromopropene, Can. J. Chem., 1972, 50, 2642. [all data]

Mines and Thompson, 1973
Mines, G.W.; Thompson, H.W., Photoelectron spectra of vinyl and allyl halides, Spectrochim. Acta Part A, 1973, 29, 1377. [all data]

Hoxha, Locht, et al., 2000
Hoxha, A.; Locht, R.; Leyh, B.; Dehareng, D.; Hottmann, K.; Baumgartel, H., Photoelectron spectroscopy of vinylbromide and intramolecular dynamics of the ionic B state, Chem. Phys., 2000, 256, 2, 239, https://doi.org/10.1016/S0301-0104(00)00052-5 . [all data]

Qian, Lau, et al., 2004
Qian, X.M.; Lau, K.C.; Ng, C.Y., A high-resolution pulsed field ionization-photoelectron-photoion coincidence study of vinyl bromide, J. Chem. Phys., 2004, 120, 23, 11031, https://doi.org/10.1063/1.1739402 . [all data]

Lee and Kim, 2005
Lee, M.; Kim, M.S., Mass-analyzed threshold ionization study of vinyl bromide cation in the first excited electronic state using vacuum-ultraviolet radiation generated by four-wave mixing in Hg, J. Chem. Phys., 2005, 123, 17, 174310, https://doi.org/10.1063/1.2104530 . [all data]

Lee and Kim, 2003
Lee, M.; Kim, M.S., Vacuum ultraviolet mass-analyzed threshold ionization spectroscopy of vinyl bromide: Franck--Condon analysis and vibrational assignment, J. Chem. Phys., 2003, 119, 10, 5085, https://doi.org/10.1063/1.1597493 . [all data]

Notes

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