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Fluoromethylene

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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:   E 3p


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

To = 62154 ± 2 gas Irikura, Hudgens, et al., 1995


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

a' 2 Bend 1128 ± 4 gas MPI Irikura, Hudgens, et al., 1995
3 CF stretch 1614 ± 4 gas MPI Irikura, Hudgens, et al., 1995

State:   B


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

To = 30800.5 gas Tao, Reid, et al., 2007
Tao, Richmond, et al., 2011


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

a' 2 Bend 604 H gas DR Tao, Reid, et al., 2007
Tao, Richmond, et al., 2011
3 CF stretch 1327.8 gas DR Tao, Reid, et al., 2007
Tao, Richmond, et al., 2011

State:   A


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

To = 17277.47 gas A-X 388 635 Merer and Travis, 1966
Patel, Stewart, et al., 1980
Kakimoto, Saito, et al., 1981
Qiu, Zhou, et al., 1987
Schmidt, Bacskay, et al., 1999
Nauta, Guss, et al., 2004
Fan, Ionescu, et al., 2004
Fan, Mukarakate, et al., 2005
To = 17320 ± 15 Ar A-X 469 546 Jacox and Milligan, 1969


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

a' 1 CH stretch 2799.7 ± 1.2 gas LF Nauta, Guss, et al., 2004
2 Bend 1021.26 gas AB LF Merer and Travis, 1966
Hakuta, 1984
2 Bend 1000 ± 20 Ar AB Jacox and Milligan, 1969
3 CF stretch 1260 ± 2 gas LF Schmidt, Bacskay, et al., 1999

State:   a


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

To = 5210 ± 140 gas Murray, Leopold, et al., 1988
Gilles, Ervin, et al., 1992


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

a' 2 Bend 1047 ± 25 gas PE Gilles, Ervin, et al., 1992
3 CF stretch 1232 ± 25 gas PE Gilles, Ervin, et al., 1992

State:   X


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

a' 1 CH stretch 2643.04 gas SEP LF Suzuki and Hirota, 1988
Fan, Mukarakate, et al., 2005
Mukarakete, Tao, et al., 2008
1 CH stretch 2640.5 Ne IR Wu, Chen, et al., 2010
2 Bend 1403.20 gas AB LF Merer and Travis, 1966
Hakuta, 1984
Fan, Mukarakate, et al., 2005
2 Bend 1403.20 gas SEP Suzuki and Hirota, 1988
Mukarakete, Tao, et al., 2008
2 Bend 1403.4 Ne IR Wu, Chen, et al., 2010
2 Bend 1406 w Ar IR Jacox and Milligan, 1969
3 CF stretch 1192 ± 2 gas PE LF Murray, Leopold, et al., 1988
Gilles, Ervin, et al., 1992
Fan, Mukarakate, et al., 2005
3 CF stretch 1185.4 Ne IR Wu, Chen, et al., 2010
3 CF stretch 1181.5 m Ar IR Jacox and Milligan, 1969

Additional references: Jacox, 1994, page 42; Jacox, 1998, page 148; Jacox, 2003, page 36; Ashfold, Castano, et al., 1980; Suzuki, Saito, et al., 1981; Butcher, Saito, et al., 1984; Suzuki, Saito, et al., 1984; Ibuki, Hiraya, et al., 1990; Wagner, Gamperling, et al., 2000; Fan, Ionescu, et al., 2003; Tao, Deselnicu, et al., 2006; Dawes, Jasper, et al., 2010

Notes

wWeak
mMedium
H(1/2)(2nu)
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.

Irikura, Hudgens, et al., 1995
Irikura, K.K.; Hudgens, J.W.; Johnson, R.D., III, Spectroscopy of the fluoromethylene radicals HCF and DCF by 2+1 resonance enhanced multiphoton ionization spectroscopy and by ab initio calculation, J. Chem. Phys., 1995, 103, 1303. [all data]

Tao, Reid, et al., 2007
Tao, C.; Reid, S.A.; Schmidt, T.W.; Kable, S.H., Observation of the predissociated, quasilinear B([sup 1]A[sup ´]) state of CHF by optical-optical double resonance, J. Chem. Phys., 2007, 126, 5, 051105, https://doi.org/10.1063/1.2515273 . [all data]

Tao, Richmond, et al., 2011
Tao, C.; Richmond, C.; Mukarakate, C.; Dawes, R.; Kable, S.H.; Reid, S.A., Optical-optical double resonance spectroscopy of the quasi-linear S2 state of CHF and CDF. I. Spectroscopic analysis, J. Chem. Phys., 2011, 135, 10, 104315, https://doi.org/10.1063/1.3633724 . [all data]

Merer and Travis, 1966
Merer, A.J.; Travis, D.N., ROTATIONAL ANALYSIS OF BANDS OF THE HCF MOLECULE, Can. J. Phys., 1966, 44, 7, 1541, https://doi.org/10.1139/p66-127 . [all data]

Patel, Stewart, et al., 1980
Patel, R.I.; Stewart, G.W.; Castleton, K.; Gole, J.L.; Lombardi, J.R., Chemiluminescence study of methane---fluorine combustion: Observation and analysis of HCF 1A´´-1A´, Chem. Phys., 1980, 52, 3, 461, https://doi.org/10.1016/0301-0104(80)85248-7 . [all data]

Kakimoto, Saito, et al., 1981
Kakimoto, M.; Saito, S.; Hirota, E., Doppler-limited dye laser excitation spectroscopy of HCF, J. Mol. Spectrosc., 1981, 88, 2, 300, https://doi.org/10.1016/0022-2852(81)90181-8 . [all data]

Qiu, Zhou, et al., 1987
Qiu, Y.; Zhou, S.; Shi, J., Laser-induced fluorescence of HCF and HCCl, Chem. Phys. Lett., 1987, 136, 1, 93, https://doi.org/10.1016/0009-2614(87)87304-9 . [all data]

Schmidt, Bacskay, et al., 1999
Schmidt, T.W.; Bacskay, G.B.; Kable, S.H., Characterization of the A([sup 1]A[sup ´´]) state of HCF by laser induced fluorescence spectroscopy, J. Chem. Phys., 1999, 110, 23, 11277, https://doi.org/10.1063/1.479068 . [all data]

Nauta, Guss, et al., 2004
Nauta, K.; Guss, J.S.; Owens, N.L.; Kable, S.H., Reassignment of the CH stretching frequency of CHF in the A electronic state, J. Chem. Phys., 2004, 120, 7, 3517, https://doi.org/10.1063/1.1641011 . [all data]

Fan, Ionescu, et al., 2004
Fan, H.; Ionescu, I.; Annesley, C.; Cummins, J.; Bowers, M.; Xin, J.; Reid, S.A., On the Renner-Teller Effect and Barriers to Linearity and Dissociation in HCF(Ã, J. Phys. Chem. A, 2004, 108, 17, 3732, https://doi.org/10.1021/jp049828o . [all data]

Fan, Mukarakate, et al., 2005
Fan, H.; Mukarakate, C.; Deselnicu, M.; Tao, C.; Reid, S.A., Dispersed fluorescence spectroscopy of jet-cooled HCF and DCF: Vibrational structure of the X [sup 1]A[sup ´] state, J. Chem. Phys., 2005, 123, 1, 014314, https://doi.org/10.1063/1.1948387 . [all data]

Jacox and Milligan, 1969
Jacox, M.E.; Milligan, D.E., Matrix-Isolation Study of the Vacuum-Ultraviolet Photolysis of Methyl Fluoride. The Infrared Spectra of the Free Radicals CF, HCF, and H2CF, J. Chem. Phys., 1969, 50, 8, 3252, https://doi.org/10.1063/1.1671548 . [all data]

Hakuta, 1984
Hakuta, K., Vibration-rotation spectrum of HCF () by laser-induced fluorescence, J. Mol. Spectrosc., 1984, 106, 1, 56, https://doi.org/10.1016/0022-2852(84)90082-1 . [all data]

Murray, Leopold, et al., 1988
Murray, K.K.; Leopold, D.G.; Miller, T.M.; Lineberger, W.C., Photoelectron Spectroscopy of the Halocarbene Anions HCF-, HCCl-, HCBr-, HCI-, CF2-, and CCl2-, J. Chem. Phys., 1988, 89, 9, 5442, https://doi.org/10.1063/1.455596 . [all data]

Gilles, Ervin, et al., 1992
Gilles, M.K.; Ervin, K.M.; Ho, J.; Lineberger, W.C., Negative Ion Photoelectron Spectroscopy of HCF-, HCCl-, HCBr-, and HCI- - Photoelectron Angular Distributions and Neutral Triplet Excitation, J. Phys. Chem., 1992, 96, 3, 1130, https://doi.org/10.1021/j100182a021 . [all data]

Suzuki and Hirota, 1988
Suzuki, T.; Hirota, E., Optical--optical double resonance (stimulated emission pumping) spectroscopy of HCF, J. Chem. Phys., 1988, 88, 11, 6778, https://doi.org/10.1063/1.454423 . [all data]

Mukarakete, Tao, et al., 2008
Mukarakete, C.; Tao, C.; Jordan, C.D.; Polik, W.F.; Reid, S.A., Stimulated Emission Pumping Spectroscopyof the [X], J. Phys. Chem. A, 2008, 112, 3, 466, https://doi.org/10.1021/jp077108m . [all data]

Wu, Chen, et al., 2010
Wu, Y.-J.; Chen, H.-F.; Chou, S.-L.; Lin, M.-Y.; Cheng, B.M., Vacuum-ultraviolet photolysis of H3CF in solid neon: Infrared spectra of HCF and CF+, Chem. Phys. Lett., 2010, 497, 1-3, 12, https://doi.org/10.1016/j.cplett.2010.07.087 . [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, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [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]

Ashfold, Castano, et al., 1980
Ashfold, M.N.R.; Castano, F.; Hancock, G.; Ketley, G.W., Laser-induced fluorescence of the CHF radical, Chem. Phys. Lett., 1980, 73, 3, 421, https://doi.org/10.1016/0009-2614(80)80686-5 . [all data]

Suzuki, Saito, et al., 1981
Suzuki, T.; Saito, S.; Hirota, E., Doppler-limited dye laser excitation spectroscopy of DCF, J. Mol. Spectrosc., 1981, 90, 2, 447, https://doi.org/10.1016/0022-2852(81)90138-7 . [all data]

Butcher, Saito, et al., 1984
Butcher, R.J.; Saito, S.; Hirota, E., Magnetic properties of the A 1A´´ state of HCF, J. Chem. Phys., 1984, 80, 9, 4000, https://doi.org/10.1063/1.447271 . [all data]

Suzuki, Saito, et al., 1984
Suzuki, T.; Saito, S.; Hirota, E., Rotational perturbations and the Zeeman effect in the band of HCF, Can. J. Phys., 1984, 62, 12, 1328, https://doi.org/10.1139/p84-180 . [all data]

Ibuki, Hiraya, et al., 1990
Ibuki, T.; Hiraya, A.; Shobatake, K.; Matsumi, Y.; Kawasaki, M., Vacuum ultraviolet photochemistry of CHFCl2 and CHFBr2: Absorption spectra and CHF(A 1A') radical formation, J. Chem. Phys., 1990, 92, 7, 4277, https://doi.org/10.1063/1.457787 . [all data]

Wagner, Gamperling, et al., 2000
Wagner, M.; Gamperling, M.; Braun, D.; Prohaska, M.; Huttner, W., Rotational transitions and electric dipole moment of fluorocarbene, HCF, J. Mol. Struct., 2000, 517/518, 327, https://doi.org/10.1016/S0022-2860(99)00295-1 . [all data]

Fan, Ionescu, et al., 2003
Fan, H.; Ionescu, I.; Annesley, C.; Reid, S.A., Lifetime lengthening and the Renner--Teller effect in the HCF system, Chem. Phys. Lett., 2003, 378, 5-6, 548, https://doi.org/10.1016/j.cplett.2003.08.007 . [all data]

Tao, Deselnicu, et al., 2006
Tao, C.; Deselnicu, M.; Fan, H.; Mukarakate, C.; Ionescu, I.; Reid, S.A., Electronic spectroscopy of the Ã1A´´<-- X1A´ system of CDF, Phys. Chem. Chem. Phys., 2006, 8, 6, 707, https://doi.org/10.1039/b514826j . [all data]

Dawes, Jasper, et al., 2010
Dawes, R.; Jasper, A.W.; Tao, C.; Richmold, C.; Mukarakate, C.; Kable, S.H.; Reid, S.A., Theoretical and Experimental Spectroscopy of the S, J. Phys. Chem. Lett., 2010, 1, 3, 641, https://doi.org/10.1021/jz900380a . [all data]


Notes

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