CH2Cl2+

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   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 72500 ± 1000 gas Potts, Lempka, et al., 1970

State:   F
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 43970 ± 240 gas Potts, Lempka, et al., 1970

State:   E
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 37280 ± 240 gas Potts, Lempka, et al., 1970

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 28530 ± 35 gas Potts, Lempka, et al., 1970
Dixon, Murrell, et al., 1971
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 3 CCl2 stretch 541 ± 5 gas PE Dixon, Murrell, et al., 1971

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 7673 ± 35 gas Potts, Lempka, et al., 1970
Dixon, Murrell, et al., 1971
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 4 CCl2 scissors 297 ± 5 gas PE Dixon, Murrell, et al., 1971

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 6713 ± 35 gas Potts, Lempka, et al., 1970
Dixon, Murrell, et al., 1971
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 4 CCl2 scissors 276 ± 5 gas PE Dixon, Murrell, et al., 1971

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 300 ± 35 gas Dixon, Murrell, et al., 1971
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 3 CCl2 stretch 677 ± 5 gas PE Dixon, Murrell, et al., 1971
4 CCl2 scissors 400 ± 5 gas PE Dixon, Murrell, et al., 1971

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 3 CCl2 stretch 713 ± 5 gas PE Potts, Lempka, et al., 1970
Dixon, Murrell, et al., 1971

Additional references: Jacox, 1994, page 261; Jacox, 1998, page 285; Werner, Tsai, et al., 1974; Bunzli, Frost, et al., 1976; Pradeep and Shirley, 1993

Notes

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.

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]

Dixon, Murrell, et al., 1971
Dixon, R.N.; Murrell, J.N.; Narayan, B., The photoelectron spectra of the halomethanes, Mol. Phys., 1971, 20, 611. [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]

Werner, Tsai, et al., 1974
Werner, A.S.; Tsai, B.P.; Baer, T., Photoionization study of the ionization potentials fragmentation paths of the chlorinated methanes carbon tetrabromide, J. Chem. Phys., 1974, 60, 3650. [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]

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]

Notes

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