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1,3,5,7-octatetraynyl

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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:   2Pi3/2


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 15973.5 ± 0.2 gas 2«PI»-X 554 626 Linnartz, Motylewski, et al., 1998
Birza, Khoroshev, et al., 2003
To = 15848 ± 5 Ne 2«PI»-X 515 631 Freivogel, Fulara, et al., 1995


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

Sigma+ 3 2077.6 ± 0.3 gas CR Linnartz, Motylewski, et al., 1998
3 2080 ± 5 Ne AB Freivogel, Fulara, et al., 1995
5 1591.2 ± 0.3 gas CR Linnartz, Motylewski, et al., 1998
5 1607 ± 5 Ne AB Freivogel, Fulara, et al., 1995
6 783 ± 5 Ne AB Freivogel, Fulara, et al., 1995

State:   A


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 2113 ± 8 gas Taylor, Xu, et al., 1998
Garand, Yacovitch, et al., 2010


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

Sigma+ CC stretch 2016 ± 70 gas PE Taylor, Xu, et al., 1998
5 1697 ± 8 gas PE Garand, Yacovitch, et al., 2010

State:   X


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

CC stretch 1661 ± 50 gas PE Taylor, Xu, et al., 1998

Additional references: Jacox, 1998, page 351; Jacox, 2003, page 373; McCarthy, Travers, et al., 1996; McCarthy, Travers, et al., 1997; McCarthy, Chen, et al., 1999

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Linnartz, Motylewski, et al., 1998
Linnartz, H.; Motylewski, T.; Maier, J.P., The [sup 2]«PI»<--X [sup 2]«PI» electronic spectra of C[sub 8]H and C[sub 10]H in the gas phase, J. Chem. Phys., 1998, 109, 10, 3819, https://doi.org/10.1063/1.476981 . [all data]

Birza, Khoroshev, et al., 2003
Birza, P.; Khoroshev, D.; Chirokolava, A.; Motylewski, T.; Maier, J.P., Lifetime broadening in the gas phase electronic spectrum of C8H, Chem. Phys. Lett., 2003, 382, 3-4, 245, https://doi.org/10.1016/j.cplett.2003.10.092 . [all data]

Freivogel, Fulara, et al., 1995
Freivogel, P.; Fulara, J.; Jakobi, M.; Forney, D.; Maier, J.P., Electronic absorption spectra of linear carbon chains in neon matrices. II. C-2n, C2n, and C2nH, J. Chem. Phys., 1995, 103, 1, 54, https://doi.org/10.1063/1.469621 . [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]

Garand, Yacovitch, et al., 2010
Garand, E.; Yacovitch, T.I.; Zhou, J.; Sheehan, S.M.; Neumark, D.M., Slow photoelectron velocity-map imaging of the CnH- (n = 5--9) anions, Chem. Sci., 2010, 2, 2, 192, https://doi.org/10.1039/c0sc00164c . [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]

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]

McCarthy, Travers, et al., 1996
McCarthy, M.C.; Travers, M.J.; Kovacs, A.; Gottlieb, C.A.; Thaddeus, P., Astron. Astrophys., 1996, 309, L31. [all data]

McCarthy, Travers, et al., 1997
McCarthy, M.C.; Travers, M.J.; Kovacs, A.; Gottlieb, C.A.; Thaddeus, P., Eight New Carbon Chain Molecules, Astrophys. J. Suppl., 1997, 113, 1, 105, https://doi.org/10.1086/313050 . [all data]

McCarthy, Chen, et al., 1999
McCarthy, M.C.; Chen, W.; Apponi, A.J.; Gottlieb, C.A.; Thaddeus, P., Hyperfine Structure of the C, Astrophys. J., 1999, 520, 1, 158, https://doi.org/10.1086/307434 . [all data]


Notes

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