CFBr3+

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:   E
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 55830 ± 160 gas Chau and McDowell, 1975

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 26540 ± 160 gas Chau and McDowell, 1975
Tx = 23000 Ar Andrews and Prochaska, 1979

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Td = 20000 U Ar Andrews and Prochaska, 1979

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 12750 ± 320 gas Chau and McDowell, 1975
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 3 CBr3 umbrella 210 ± 80 gas PE Chau and McDowell, 1975

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 9200 ± 160 gas Chau and McDowell, 1975
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 CF stretch 874 ± 80 gas PE Chau and McDowell, 1975

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 3790 ± 160 gas Chau and McDowell, 1975
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 3 CBr3 umbrella 213 ± 80 gas PE Chau and McDowell, 1975

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
CF stretch 1167 vs Ar IR Prochaska and Andrews, 1978
CF stretch 1160 vs Ar IR Prochaska and Andrews, 1978
853 vs Ar IR Prochaska and Andrews, 1978
423 s Ar IR Prochaska and Andrews, 1978
399 s Ar IR Prochaska and Andrews, 1978
316 m Ar IR Prochaska and Andrews, 1978

Additional references: Jacox, 1994, page 293

Notes

mMedium
sStrong
vsVery strong
UUpper bound
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.
dPhotodissociation threshold

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.

Chau and McDowell, 1975
Chau, F.T.; McDowell, C.A., Photoelectron spectra of fluorotribromomethane and fluorotrichloromethane, J. Electron Spectrosc. Relat. Phenom., 1975, 6, 357. [all data]

Andrews and Prochaska, 1979
Andrews, L.; Prochaska, F.T., Absorption spectra and photochemistry of the chlorofluoro- and bromofluoromethane cations in solid argon, J. Phys. Chem., 1979, 83, 3, 368, https://doi.org/10.1021/j100466a015 . [all data]

Prochaska and Andrews, 1978
Prochaska, F.T.; Andrews, L., Matrix photoionization and radiolysis of the fluorobromomethanes. Infrared spectra and photochemistry of dibromofluoromethyl(1+), bromodifluoromethyl(1+), trifluoromethyl(1+), and the parent cations, J. Phys. Chem., 1978, 82, 15, 1731, https://doi.org/10.1021/j100504a015 . [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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