Difluoromethyl radical

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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 3p


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 49312 ± 10 gas Dearden, Hudgens, et al., 1992


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

a1 2 CF stretch 1365 ± 8 gas MPI Dearden, Hudgens, et al., 1992
3 CF2 scissors 660 ± 20 gas MPI Dearden, Hudgens, et al., 1992
b1 4 OPLA 1022 ± 1 gas MPI Dearden, Hudgens, et al., 1992

State:   X


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

a' 2 CF s-stretch 1164 s Ar IR Carver and Andrews, 1969
Jacox, 1980
3 Umbrella 949 ± 10 gas MPI Dearden, Hudgens, et al., 1992
a 5 HCF deform. 1317 m Ar IR Carver and Andrews, 1969
Jacox, 1980
6 CF a-stretch 1173 vs Ar IR Carver and Andrews, 1969
Jacox, 1980

Additional references: Jacox, 1994, page 176; Jacox, 2003, page 199; Fessenden and Schuler, 1965

Notes

mMedium
sStrong
vsVery strong
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.

Dearden, Hudgens, et al., 1992
Dearden, D.V.; Hudgens, J.W.; Johnson, R.D., III; Tsai, B.P.; Kafafi, S.A., Spectroscopic and ab initio studies of difluoromethyl radicals and cations, J. Phys. Chem., 1992, 96, 2, 585, https://doi.org/10.1021/j100181a017 . [all data]

Carver and Andrews, 1969
Carver, T.G.; Andrews, L., Infrared Spectrum of the Difluoromethyl Radical in Solid Argon, J. Chem. Phys., 1969, 50, 12, 5100, https://doi.org/10.1063/1.1671024 . [all data]

Jacox, 1980
Jacox, M.E., Infrared spectroscopic study of the reaction of H atoms with CF2 in argon and nitrogen matrices, J. Mol. Spectrosc., 1980, 81, 2, 349, https://doi.org/10.1016/0022-2852(80)90198-8 . [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]

Fessenden and Schuler, 1965
Fessenden, R.W.; Schuler, R.H., ESR Spectra and Structure of the Fluorinated Methyl Radicals, J. Chem. Phys., 1965, 43, 8, 2704, https://doi.org/10.1063/1.1697199 . [all data]


Notes

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