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CF2Cl2+


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:   H


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

Tx = 68200 ± 1000 gas Jochims, Lohr, et al., 1976
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977


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

a1 2 CCl2 stretch 565 T gas PE Jadrny, Karlsson, et al., 1977

State:   G


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

To = 56160 ± 160 gas Doucet, Sauvageau, et al., 1973
Jochims, Lohr, et al., 1976
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977


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

a1 2 CCl2 stretch 550 ± 80 gas PE Jadrny, Karlsson, et al., 1977

State:   E,F


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

Tx = 36500 ± 160 gas Doucet, Sauvageau, et al., 1973
Jochims, Lohr, et al., 1976
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977
Tx = 32300 Ar Andrews and Prochaska, 1979

State:   ?


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

Td = 23800 L Ar Andrews and Prochaska, 1979

State:   D


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

To = 19300 ± 35 gas Doucet, Sauvageau, et al., 1973
Jochims, Lohr, et al., 1976
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977
Pradeep and Shirley, 1993


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

a1 3 CF2 scissors 374 ± 5 gas PE Doucet, Sauvageau, et al., 1973
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977
Pradeep and Shirley, 1993

State:   ?


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

gas D-X? 200 400 Jabbour and Becker, 1989

State:   C


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

Tx = 13880 ± 160 gas Doucet, Sauvageau, et al., 1973
Jochims, Lohr, et al., 1976
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977

State:   B


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

To = 10844 ± 35 gas Doucet, Sauvageau, et al., 1973
Jochims, Lohr, et al., 1976
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977
Pradeep and Shirley, 1993


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

a1 1 CF2 stretch 1097 ± 80 gas PE Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977
2 CCl2 stretch 565 ± 80 gas PE Jadrny, Karlsson, et al., 1977
4 CCl2 scissors 301 ± 5 gas PE Jadrny, Karlsson, et al., 1977
Pradeep and Shirley, 1993

State:   A


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

Tx = 6370 ± 160 gas Doucet, Sauvageau, et al., 1973
Jochims, Lohr, et al., 1976
Bunzli, Frost, et al., 1976
Jadrny, Karlsson, et al., 1977


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

a1 1 CF2 stretch 1056 ± 5 gas PE Pradeep and Shirley, 1993

State:   X


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

a1 3 CF2 scissors 609 w m Ar IR Prochaska and Andrews, 1978
4 CCl2 scissors 457 ± 5 gas PE Pradeep and Shirley, 1993
CF2 a-stretch 1234 vs Ar IR Prochaska and Andrews, 1978
CCl2 a-stretch 1067 m Ar IR Prochaska and Andrews, 1978
FCCl deform. 424 m Ar IR Prochaska and Andrews, 1978
FCCl deform. 406 m Ar IR Prochaska and Andrews, 1978

Additional references: Jacox, 1994, page 292; Jacox, 1998, page 304

Notes

wWeak
mMedium
vsVery strong
LLower bound
TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.
dPhotodissociation threshold

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.

Jochims, Lohr, et al., 1976
Jochims, H.-W.; Lohr, W.; Baumgartel, H., Photoreactions of small organic molecules V. Absorption-, photoion- and resonancephotoelectron-spectra of CF3Cl, CF2Cl2, CFCl3 in the energy range 10-25 eV, Ber. Bunsen-Ges. Phys. Chem., 1976, 80, 130. [all data]

Bunzli, Frost, et al., 1976
Bunzli, J.C.; Frost, D.C.; Herring, F.G.; McDowell, C.A., Assignment of the doublet states arising from ionization of chlorine lone-pairs in molecules possessing C2v symmetry, J. Electron Spectrosc. Relat. Phenom., 1976, 9, 289. [all data]

Jadrny, Karlsson, et al., 1977
Jadrny, R.; Karlsson, L.; Mattsson, L.; Siegbahn, K., Valence electron spectra of the chlorofluoromethanes CF3Cl, CF2Cl2 and CFCl3, Phys. Scr., 1977, 16, 235. [all data]

Doucet, Sauvageau, et al., 1973
Doucet, J.; Sauvageau, P.; Sandorfy, C., Vacuum ultraviolet and photoelectron spectra of fluoro-chloro derivatives of methane, J. Chem. Phys., 1973, 58, 3708. [all data]

Andrews and Prochaska, 1979
Andrews, L.; Prochaska, F.T., Absorption spectra and photochemistry of the chlorofluoro- and bromofluoromethane cations in solid argon, J. Phys. Chem., 1979, 83, 3, 368, https://doi.org/10.1021/j100466a015 . [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]

Jabbour and Becker, 1989
Jabbour, Z.J.; Becker, K., Analysis of optical emissions produced by dissociative electron impact on CCl2F2, J. Chem. Phys., 1989, 90, 9, 4819, https://doi.org/10.1063/1.456575 . [all data]

Prochaska and Andrews, 1978
Prochaska, F.T.; Andrews, L., Matrix radiolysis and photoionization of CF2Cl2 and CF3Cl. Infrared spectra of CF2Cl+ and the parent cations, J. Chem. Phys., 1978, 68, 12, 5577, https://doi.org/10.1063/1.435687 . [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

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