CoCl2

Vibrational and/or electronic energy levels

Go To: Top, References, Notes

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:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 45800 Ar DeKock and Gruen, 1968

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 43470 gas DeKock and Gruen, 1966

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 42000 w Ar DeKock and Gruen, 1968
Jacox and Milligan, 1969

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 39500 w Ar DeKock and Gruen, 1968

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 36400 Ar DeKock and Gruen, 1968

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 35000 Ar DeKock and Gruen, 1968

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 33550 gas Hougen, Leroi, et al., 1961
DeKock and Gruen, 1966

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 33700 Ar DeKock and Gruen, 1968
Jacox and Milligan, 1969

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 32000 Ar DeKock and Gruen, 1968

State:   UV1
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 30555.2 gas 311 360 Hodges, Brown, et al., 2006
Tx = 30800 Ar DeKock and Gruen, 1968
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 195.7 ± 1.2 gas LF Hodges, Brown, et al., 2006
Πu 2 Bend 60 T gas LF Hodges, Brown, et al., 2006

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 18500 gas 500 588 Hougen, Leroi, et al., 1961
Leroi, James, et al., 1962
DeKock and Gruen, 1966

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 14241 gas 588 910 Hougen, Leroi, et al., 1961
DeKock and Gruen, 1966

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx gas 900 1100 Hougen, Leroi, et al., 1961
DeKock and Gruen, 1966

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx gas 2500 Hougen, Leroi, et al., 1961
DeKock and Gruen, 1966

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 358.1 ± 1.7 gas LF Hodges, Brown, et al., 2006
Πu 2 Bend 94.5 Ar IR Thompson and Carlson, 1968
Σu+ 3 Asym. stretch 493 ± 10 gas IR Leroi, James, et al., 1962
3 Asym. stretch 493.3 Ar IR Thompson and Carlson, 1968
Jacox and Milligan, 1969
Green, McDermott, et al., 1983
3 Asym. stretch 484.1 Kr IR Thompson and Carlson, 1968
3 Asym. stretch 468.3 Xe IR Thompson and Carlson, 1968

Notes

wWeak
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.

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.

DeKock and Gruen, 1968
DeKock, C.W.; Gruen, D.M., Charge-Transfer Spectra of Matrix-Isolated 3d Transition-Metal Dichlorides, J. Chem. Phys., 1968, 49, 10, 4521, https://doi.org/10.1063/1.1669906 . [all data]

DeKock and Gruen, 1966
DeKock, C.W.; Gruen, D.M., Electronic Absorption Spectra of the Gaseous 3d Transition-Metal Dichlorides, J. Chem. Phys., 1966, 44, 12, 4387, https://doi.org/10.1063/1.1726648 . [all data]

Jacox and Milligan, 1969
Jacox, M.E.; Milligan, D.E., Matrix-Isolation Study of the Infrared and Ultraviolet Spectra of Several First-Series Transition-Metal Dichlorides, J. Chem. Phys., 1969, 51, 9, 4143, https://doi.org/10.1063/1.1672639 . [all data]

Hougen, Leroi, et al., 1961
Hougen, J.T.; Leroi, G.E.; James, T.C., Application of Ligand Field Theory to the Electronic Spectra of Gaseous CuCl2, NiCl2, and CoCl2, J. Chem. Phys., 1961, 34, 5, 1670, https://doi.org/10.1063/1.1701063 . [all data]

Hodges, Brown, et al., 2006
Hodges, P.J.; Brown, J.M.; Varberg, T.D., The ultraviolet spectrum of the CoCl[sub 2] radical, studied at vibrational and rotational resolution, J. Chem. Phys., 2006, 124, 20, 204302, https://doi.org/10.1063/1.2188937 . [all data]

Leroi, James, et al., 1962
Leroi, G.E.; James, T.C.; Hougen, J.T.; Klemperer, W., Infrared Spectra of Gaseous Transition-Metal Dihalides, J. Chem. Phys., 1962, 36, 11, 2879, https://doi.org/10.1063/1.1732394 . [all data]

Thompson and Carlson, 1968
Thompson, K.R.; Carlson, K.D., Bending Frequencies and New Dimer Modes in the Far-Infrared Spectra of Transition-Metal Dihalides, J. Chem. Phys., 1968, 49, 10, 4379, https://doi.org/10.1063/1.1669885 . [all data]

Green, McDermott, et al., 1983
Green, D.W.; McDermott, D.P.; Bergman, A., Infrared spectra of the matrix-isolated chlorides of iron, cobalt, and nickel, J. Mol. Spectrosc., 1983, 98, 1, 111, https://doi.org/10.1016/0022-2852(83)90206-0 . [all data]

Notes

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