Chlorofluoromethyl radical

Formula: CHClF
Molecular weight: 67.470
IUPAC Standard InChI: InChI=1S/CHClF/c2-1-3/h1H
IUPAC Standard InChIKey: FICFQLDYKDCJHQ-UHFFFAOYSA-N
CAS Registry Number: 33272-71-8
Chemical structure:
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Vibrational and/or electronic energy levels

State: J

Energy (cm^-1)	Med.	References


T_o = 55250 ± 20	gas	Hudgens, Johnson, et al., 1993

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


a'	3	CH deform.	1280 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993
	4	CCl stretch	910 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993
	5	FCCl scissors	440 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993
a	6	OPLA	980 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993

State: F

Energy (cm^-1)	Med.	References


T_o = 49160 ± 20	gas	Hudgens, Johnson, et al., 1993

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


a'	3	CH deform.	1280 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993
	4	CCl stretch	910 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993
	5	FCCl scissors	440 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993
a	6	OPLA	980 ± 30	gas	MPI	Hudgens, Johnson, et al., 1993

State: X

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


2	H deform.	1283	s	Ar	IR	Prochaska, Keelan, et al., 1979
3	CF stretch	1151	s	Ar	IR	Prochaska, Keelan, et al., 1979
4	CCl stretch	757	m	Ar	IR	Prochaska, Keelan, et al., 1979
6	Umbrella	540 ± 30		gas	MPI	Hudgens, Johnson, et al., 1993

Additional references: Jacox, 1994, page 176; Prochaska and Andrews, 1980

Notes

Medium

Strong

Energy separation between the v = 0 levels of the excited and electronic ground states.

References

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

Hudgens, Johnson, et al., 1993
Hudgens, J.W.; Johnson, R.D.; Tsai, B.P., New electronic spectra of the CHFCl radical observed with resonance enhanced multiphoton ionization, J. Chem. Phys., 1993, 98, 1925. [all data]

Prochaska, Keelan, et al., 1979
Prochaska, F.T.; Keelan, B.W.; Andrews, L., Infrared spectra of the CHFCl, CHFBr, and CHFI free radicals in solid argon, J. Mol. Spectrosc., 1979, 76, 1-3, 142, https://doi.org/10.1016/0022-2852(79)90223-6 . [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]

Prochaska and Andrews, 1980
Prochaska, F.T.; Andrews, L., Infrared and visible absorption spectra and photochemistry of the Ch2FX+, CHFX+, F--H•••(CHX)-, and X--H•••(CHF)- molecular ions in solid argon, J. Chem. Phys., 1980, 73, 6, 2651, https://doi.org/10.1063/1.440478 . [all data]

Notes

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

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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