HCðC anion

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:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Td = 23946 ± 10 gas Ervin and Lineberger, 1991
Taylor, Xu, et al., 1998
Zhou, Garand, et al., 2007

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σ+ 1 CH stretch 3318.5 Ar IR Andrews, Kushto, et al., 1999
Π 2 Bend 505 ± 20 gas PE Ervin and Lineberger, 1991
Σ+ 3 CC stretch 1800 ± 20 gas PE Ervin and Lineberger, 1991
3 CC stretch 1773.0 Ne IR Forney, Jacox, et al., 1992
Andrews, Kushto, et al., 1999
3 CC stretch 1770.5 Ar IR Andrews, Kushto, et al., 1999

Additional references: Jacox, 1994, page 37; Jacox, 2003, page 32; Brunken, Gottlieb, et al., 2007

Notes

dPhotodissociation threshold

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ervin and Lineberger, 1991
Ervin, K.M.; Lineberger, W.C., Photoelectron Spectra of C2- and C2H-, J. Phys. Chem., 1991, 95, 3, 1167, https://doi.org/10.1021/j100156a026 . [all data]

Taylor, Xu, et al., 1998
Taylor, T.R.; Xu, C.; Neumark, D.M., Photoelectron spectra of the C[sub 2n]H[sup -] (n=1--4) and C[sub 2n]D[sup -] (n=1--3) anions, J. Chem. Phys., 1998, 108, 24, 10018, https://doi.org/10.1063/1.476462 . [all data]

Zhou, Garand, et al., 2007
Zhou, J.; Garand, E.; Neumark, D.M., Vibronic structure in C2H and C2D from anion slow electron velocity-map imaging spectroscopy, J. Chem. Phys., 2007, 127, 11, 114313, https://doi.org/10.1063/1.2768932 . [all data]

Andrews, Kushto, et al., 1999
Andrews, L.; Kushto, G.P.; Zhou, M.; Willson, S.P.; Souter, P.F., Infrared spectrum of CCH[sup +] in solid argon and neon, J. Chem. Phys., 1999, 110, 9, 4457, https://doi.org/10.1063/1.478329 . [all data]

Forney, Jacox, et al., 1992
Forney, D.; Jacox, M.E.; Thompson, W.E., The vibrational spectra of molecular ions isolated in solid neon: HCCH+ and HCC-, J. Mol. Spectrosc., 1992, 153, 1-2, 680, https://doi.org/10.1016/0022-2852(92)90502-F . [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, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Brunken, Gottlieb, et al., 2007
Brunken, S.; Gottlieb, C.A.; Gupta, H.; McCarthy, M.C.; Thaddeus, P., Laboratory detection of the negative molecular ion CCH, Astron. Astrophys., 2007, 464, 3, L33, https://doi.org/10.1051/0004-6361:20066964 . [all data]

Notes

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