Methylene ion


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:   A


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

T = 11140.92 gas A-X 770 990 Gottfried and Oka, 2004

State:   X


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

a1 2 Bend 968.4 T Ne IR Bunker, Kraemer, et al., 2002
2 Bend 961.1 T Ne IR Bunker, Kraemer, et al., 2002
b2 3 CH a-stretch 3131.37 gas LD Rosslein, Gabrys, et al., 1992

Additional references: Jacox, 1994, page 18; Willitsch and Merkt, 2003

Notes

TTentative assignment or approximate value

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.

Gottfried and Oka, 2004
Gottfried, J.L.; Oka, T., Near-infrared electronic spectrum of CH[sub 2][sup +], J. Chem. Phys., 2004, 121, 23, 11527, https://doi.org/10.1063/1.1835265 . [all data]

Bunker, Kraemer, et al., 2002
Bunker, P.R.; Kraemer, W.P.; Jensen, P.; Lee, Y.-C.; Lee, Y.-P., The Matrix Isolation Spectrum of the CH2+ Ion, J. Mol. Spectrosc., 2002, 216, 2, 419, https://doi.org/10.1006/jmsp.2002.8636 . [all data]

Rosslein, Gabrys, et al., 1992
Rosslein, M.; Gabrys, C.M.; Jagod, M.-F.; Oka, T., Detection of the infrared spectrum of CH2+, J. Mol. Spectrosc., 1992, 153, 1-2, 738, https://doi.org/10.1016/0022-2852(92)90508-L . [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]

Willitsch and Merkt, 2003
Willitsch, S.; Merkt, F., Characterization of the X [sup 2]A[sub 1] (0,0,0) ground vibronic state of CH[sub 2][sup +] by pulsed-field-ionization zero-kinetic-energy photoelectron spectroscopy, J. Chem. Phys., 2003, 118, 5, 2235, https://doi.org/10.1063/1.1531619 . [all data]


Notes

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