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CH2F2+


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:   G


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

To = 83900 ± 1000 gas Potts, Lempka, et al., 1970
Brundle, Robin, et al., 1970

State:   F


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

To = 44706 ± 35 gas Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993


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

a1 3 CF2 stretch 708 gas PE Pradeep and Shirley, 1993

State:   E


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

To = 44432 ± 35 gas Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993


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

a1 3 CF2 stretch 668 gas PE Pradeep and Shirley, 1993

State:   D


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

To = 44206 ± 35 gas Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993


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

a1 3 CF2 stretch 711 ± 5 gas PE Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993

State:   C


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

To = 23358 ± 35 gas Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993


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

a1 3 CF2 stretch 1050 ± 5 gas PE Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993
4 CF2 scissors 500 ± 80 gas PE Potts, Lempka, et al., 1970
Brundle, Robin, et al., 1970

State:   B


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

To = 22938 ± 35 gas Pradeep and Shirley, 1993


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

a1 3 CF2 stretch 1054 ± 5 gas PE Pradeep and Shirley, 1993

State:   A


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

To = 15185 ± 35 gas Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993

State:   X


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

a1 1 CH stretch 2744 w Ar IR Andrews and Prochaska, 1979
2 CH2 scissors 1150 ± 5 gas PE Potts, Lempka, et al., 1970
Pullen, Carlson, et al., 1970
Brundle, Robin, et al., 1970
Pradeep and Shirley, 1993
3 CF2 stretch 1162 ± 5 gas PE Pradeep and Shirley, 1993
4 CF2 scissors 527 H gas PE Pradeep and Shirley, 1993
b1 6 CH stretch 2854 w m Ar IR Andrews and Prochaska, 1979
b2 8 CH2 wag 1408 s Ar IR Andrews and Prochaska, 1979
9 CF stretch 1255 vs Ar IR Andrews and Prochaska, 1979

Additional references: Jacox, 1994, page 260; Jacox, 1998, page 284

Notes

wWeak
mMedium
sStrong
vsVery strong
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.

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]

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]

Pradeep and Shirley, 1993
Pradeep, T.; Shirley, D.A., High resolution photoelectron spectroscopy of CH2F2, CH2Cl2 and CF2Cl2 using supersonic molecular beams, J. Electron Spectrosc. Relat. Phenom., 1993, 66, 1-2, 125, https://doi.org/10.1016/0368-2048(93)01831-X . [all data]

Andrews and Prochaska, 1979
Andrews, L.; Prochaska, F.T., Infrared spectra of the CH2F2+, CHF2+, CHF+, and FH-- (CHF)- molecular ions in solid argon, J. Chem. Phys., 1979, 70, 10, 4714, https://doi.org/10.1063/1.437259 . [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]


Notes

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