AlC2

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:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 26083.2 ± 0.2 gas D-X 363 384 Apetrei, Knight, et al., 2009
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 1490 T gas MPI Apetrei, Knight, et al., 2009
2 543 ± 5 gas MPI Apetrei, Knight, et al., 2009
b2 3 201 H gas MPI Apetrei, Knight, et al., 2009

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 22102.7 ± 0.2 gas C-X 402 453 Chasovskikh, Jochnowitz, et al., 2007
Apetrei, Knight, et al., 2009
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 1398 ± 5 gas MPI Apetrei, Knight, et al., 2009
2 207 ± 5 gas MPI Apetrei, Knight, et al., 2009
b2 3 605 H gas MPI Apetrei, Knight, et al., 2009

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 7910 ± 320 gas Boldyrev, Simons, et al., 1999
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
AlC stretch 590 ± 50 gas PE Boldyrev, Simons, et al., 1999

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 533 ± 5 gas PE MPI Boldyrev, Simons, et al., 1999
Apetrei, Knight, et al., 2009
b2 3 425 ± 5 gas MPI Apetrei, Knight, et al., 2009

Additional references: Jacox, 2003, page 63

Notes

H(1/2)(2ν)
TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Apetrei, Knight, et al., 2009
Apetrei, C.; Knight, A.E.W.; Chasovskikh, E.; Jochnowitz, E.B.; Ding, H.; Maier, J.P., Gas phase electronic spectrum of T-shaped AlC[sub 2] radical, J. Chem. Phys., 2009, 131, 6, 064305, https://doi.org/10.1063/1.3186758 . [all data]

Chasovskikh, Jochnowitz, et al., 2007
Chasovskikh, E.; Jochnowitz, E.B.; Kim, E.; Maier, J.P.; Navizet, I., Electronic Spectrum of the AlC, J. Phys. Chem. A, 2007, 111, 47, 11986, https://doi.org/10.1021/jp075169e . [all data]

Boldyrev, Simons, et al., 1999
Boldyrev, A.I.; Simons, J.; Li, X.; Wang, L.-S., π- and σ-Coordinated Al in AlC, J. Am. Chem. Soc., 1999, 121, 43, 10193, https://doi.org/10.1021/ja992102z . [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]

Notes

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