C3-

Reaction thermochemistry data

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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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

(C3- • 4294967295carbon) + carbon = C3-

By formula: (C3- • 4294967295C) + C = C3-

Quantity Value Units Method Reference Comment
ΔrH°15.9 ± 2.0kcal/molN/AArnold, Bradforth, et al., 1991gas phase; Linear structure for both neutral and anion

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, 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:   E
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 32003 ± 3 gas E-X 308 313 Lakin, Guthe, et al., 2000

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 29885 ± 3 gas D-X 327 335 Lakin, Guthe, et al., 2000
To = 29833 ± 20 Ne D-X 329 336 Lakin, Guthe, et al., 2000

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 28507 ± 3 gas C-X 335 351 Tulej, Fulara, et al., 2000
Lakin, Guthe, et al., 2000
To = 28660 ± 7 Ne C-X 335 349 Tulej, Fulara, et al., 2000
Lakin, Guthe, et al., 2000
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1140 ± 6 gas PD Lakin, Guthe, et al., 2000
1 Sym. stretch 1180 ± 14 Ne AB Tulej, Fulara, et al., 2000
Πu 2 Bend 445 H gas PD Lakin, Guthe, et al., 2000

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 25948 ± 3 gas B-X 355 386 Tulej, Fulara, et al., 2000
To = 25968 ± 7 Ne B-X 370 385 Tulej, Fulara, et al., 2000
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1072 ± 6 gas PD Tulej, Fulara, et al., 2000
1 Sym. stretch 1062 ± 14 Ne AB Tulej, Fulara, et al., 2000
Πu 2 Bend (w) 407 gas PD Tulej, Fulara, et al., 2000

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 24743 ± 3 gas A-X 386 405 Tulej, Fulara, et al., 2000
To = 24810 ± 7 Ne A-X 385 403 Tulej, Fulara, et al., 2000
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1140 ± 6 gas PD Tulej, Fulara, et al., 2000
1 Sym. stretch 1110 ± 14 Ne AB Tulej, Fulara, et al., 2000
Πu 2 Bend (w) 410 gas PD Tulej, Fulara, et al., 2000

State:   b
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 22342 ± 3 gas b-X 429 448 Tulej, Fulara, et al., 2000
To = 22306 ± 7 Ne b-X 412 448 Tulej, Fulara, et al., 2000
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 959 ± 4 gas PD Tulej, Fulara, et al., 2000
1 Sym. stretch 953 ± 10 Ne AB Tulej, Fulara, et al., 2000

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Td = 15980 ± 160 gas Oakes and Ellison, 1986
Yang, Taylor, et al., 1988
Arnold, Bradforth, et al., 1991

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
Σg+ 1 Sym. stretch 1075 ± 100 gas PE Arnold, Bradforth, et al., 1991
Σu- 3 Asym. stretch 1721.8 Ar IR Szczepanski, Ekern, et al., 1997
Szczepanski, Wehlburg, et al., 1997

Additional references: Jacox, 1994, page 68; Jacox, 1998, page 173; Jacox, 2003, page 99

Notes

H(1/2)(2ν)
oEnergy separation between the v = 0 levels of the excited and electronic ground states.
dPhotodissociation threshold

References

Go To: Top, Reaction thermochemistry data, 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.

Arnold, Bradforth, et al., 1991
Arnold, D.W.; Bradforth, S.E.; Kitsopoulos, T.N.; Neumark, D.M., Vibrationally Resolved Spectra of C2-C11 by Anion Photoelectron Spectroscopy, J. Chem. Phys., 1991, 95, 12, 8753, https://doi.org/10.1063/1.461211 . [all data]

Lakin, Guthe, et al., 2000
Lakin, N.M.; Guthe, F.; Tulej, M.; Pachkov, M.; Maier, J.P., Spectroscopy of excited states of carbon anions above the photodetachment threshold, Faraday Discuss., 2000, 115, 383, https://doi.org/10.1039/a909545d . [all data]

Tulej, Fulara, et al., 2000
Tulej, M.; Fulara, J.; Sobolewski, A.; Jungen, M.; Maier, J.P., Electronic transitions of C[sub 3][sup -] above the photodetachment threshold, J. Chem. Phys., 2000, 112, 8, 3747, https://doi.org/10.1063/1.480992 . [all data]

Oakes and Ellison, 1986
Oakes, J.M.; Ellison, G.B., Photoelectron spectroscopy of radical anions, Tetrahedron, 1986, 42, 6263. [all data]

Yang, Taylor, et al., 1988
Yang, S.; Taylor, K.J.; Craycraft, M.J.; Conceicao, J.; Pettiette, C.L.; Cheshnovsky, O.; Smalley, R.E., UPS of 2--30-atom carbon clusters: Chains and rings, Chem. Phys. Lett., 1988, 144, 5-6, 431, https://doi.org/10.1016/0009-2614(88)87291-9 . [all data]

Szczepanski, Ekern, et al., 1997
Szczepanski, J.; Ekern, S.; Vala, M., Vibrational Spectroscopy of Small Matrix-Isolated Linear Carbon Cluster Anions, J. Phys. Chem. A, 1997, 101, 10, 1841, https://doi.org/10.1021/jp963200z . [all data]

Szczepanski, Wehlburg, et al., 1997
Szczepanski, J.; Wehlburg, C.; Vala, M., C, J. Phys. Chem. A, 1997, 101, 38, 7039, https://doi.org/10.1021/jp971410l . [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, 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]

Notes

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