CH3F+

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:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 87700 T gas Potts, Lempka, et al., 1970
Brundle, Robin, et al., 1970

State:   A,B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 30400 T gas Turner, 1970
Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Karlsson, Jadrny, et al., 1977

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 3 CF stretch 695 ± 80 gas PE Karlsson, Jadrny, et al., 1977
e 5 CH3 deform. 1315 ± 80 gas PE Karlsson, Jadrny, et al., 1977
6 HCF deform. 880 ± 80 gas PE Karlsson, Jadrny, et al., 1977

Additional references: Jacox, 1994, page 238; Andrews, Miller, et al., 1979; Grutter, Qian, et al., 2012

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Potts, Lempka, et al., 1970
Potts, A.W.; Lempka, H.J.; Streets, D.G.; Price, W.C., Photoelectron spectra of the halides of elements in groups III, IV, V and VI, Phil. Trans. Roy. Soc. (London), 1970, A268, 59. [all data]

Brundle, Robin, et al., 1970
Brundle, C.R.; Robin, M.B.; Basch, H., Electronic energies and electronic structures of the fluoromethanes, J. Chem. Phys., 1970, 53, 2196. [all data]

Turner, 1970
Turner, D.W., Molecular Photoelectron Spectroscopy, Phil. Trans. Roy. Soc. (London) A268, 1970, 268, 1184, 7, https://doi.org/10.1098/rsta.1970.0059 . [all data]

Pullen, Carlson, et al., 1970
Pullen, B.P.; Carlson, T.A.; Moddeman, W.E.; Schweitzer, G.K.; Bull, W.E., Photoelectron spectra of methane, silane, germane, methyl fluoride, difluoromethane, and trifluoromethane, J. Chem. Phys., 1970, 53, 768. [all data]

Karlsson, Jadrny, et al., 1977
Karlsson, L.; Jadrny, R.; Mattsson, L.; Chau, F.T.; Siegbahn, K., Vibrational and Vibronic Structure in the Valence Electron Spectra of CH, Phys. Scripta, 1977, 16, 5-6, 224, https://doi.org/10.1088/0031-8949/16/5-6/010 . [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]

Andrews, Miller, et al., 1979
Andrews, L.; Miller, J.H.; Prochaska, E.S., Matrix photoionization of methyl halides. Ultraviolet spectra of the parent cations and infrared evidence for intramolecular hydrogen-bonded parent anions in solid argon, J. Am. Chem. Soc., 1979, 101, 24, 7158, https://doi.org/10.1021/ja00518a005 . [all data]

Grutter, Qian, et al., 2012
Grutter, M.; Qian, X.; Merkt, F., Photoelectron spectroscopic study of the E «8855» e Jahn-Teller effect in the presence of a tunable spin-orbit interaction. III. Two-state excitonic model accounting for observed trends in the X[sup 2]E ground state of CH[sub 3]X[sup +] (X=F, Cl, Br, I) and CH[sub 3]Y (Y=O, S), J. Chem. Phys., 2012, 137, 8, 084313, https://doi.org/10.1063/1.4745002 . [all data]

Notes

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