C2Cl2+
- Formula: C2Cl2+
- Molecular weight: 94.927
- CAS Registry Number: 65582-61-8
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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: D
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 62287 ± 160 | gas | Heilbronner, Hornung, et al., 1970 | |||||
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 53816 ± 160 | gas | Heilbronner, Hornung, et al., 1970 | |||||
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 35178 ± 160 | gas | Heilbronner, Hornung, et al., 1970 | |||||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 26962.8 ± 0.3 | gas | A-X | 360 | 496 | Klapstein, Maier, et al., 1983 | ||
Maier and Misev, 1984 | |||||||
Klapstein, Kuhn, et al., 1985 | |||||||
To = 26637 ± 10 | Ne | A-X | 341 | 375 | Leutwyler, Maier, et al., 1984 | ||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σg+ | 1 | CC stretch | 2223 ± 5 | Ne | AB | Leutwyler, Maier, et al., 1984 | |
2 | CCl stretch | 484.2 ± 0.3 | gas | EF LF | Klapstein, Maier, et al., 1983 Maier and Misev, 1984 Klapstein, Kuhn, et al., 1985 | ||
2 | CCl stretch | 486 ± 5 | Ne | AB | Leutwyler, Maier, et al., 1984 | ||
Πu | 5 | Bend | 205 ± 3 | gas | LF | Maier and Misev, 1984 | |
5 | Bend | 207 ± 5 | Ne | AB | Leutwyler, Maier, et al., 1984 | ||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σg+ | 1 | CC stretch | 2107.2 ± 0.3 | gas | EF LF | Klapstein, Maier, et al., 1983 Maier and Misev, 1984 Klapstein, Kuhn, et al., 1985 | |
2 | CCl stretch | 503.8 ± 0.3 | gas | EF LF | Klapstein, Maier, et al., 1983 Maier and Misev, 1984 Klapstein, Kuhn, et al., 1985 | ||
Πg | 4 | Bend | 317.8 ± 0.3 | gas | EF LF | Klapstein, Maier, et al., 1983 Maier and Misev, 1984 Klapstein, Kuhn, et al., 1985 | |
Πu | 5 | Bend | 233 | H | gas | LF | Maier and Misev, 1984 |
Additional references: Jacox, 1994, page 190; Allan, Kloster-Jensen, et al., 1977; Dujardin, Leach, et al., 1980; Maier and Thommen, 1982
Notes
H | (1/2)(2ν) |
o | Energy 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.
Heilbronner, Hornung, et al., 1970
Heilbronner, E.; Hornung, V.; Kloster-Jensen, E.,
Die Photoelektron-Spektren der Dihalogen-acetylene,
Helv. Chim. Acta, 1970, 53, 331. [all data]
Klapstein, Maier, et al., 1983
Klapstein, D.; Maier, J.P.; Zambach, W.,
Emission spectra of rotationally cooled dihaloacetylene cations in the gas phase: A2Π(Ω,g) → x2Π(Ω,u) band systems,
Chem. Phys., 1983, 77, 463. [all data]
Maier and Misev, 1984
Maier, J.P.; Misev, L.,
Spectroscopic characterisation of open-shell cations. Laser excitation spectra of X«58872»C«58876»C«58872»X+ (X = Cl, Br),
Int. J. Mass Spectrom. Ion Proc., 1984, 58, 243, https://doi.org/10.1016/0168-1176(84)80032-4
. [all data]
Klapstein, Kuhn, et al., 1985
Klapstein, D.; Kuhn, R.; Maier, J.P.,
Vibrational frequencies of isotopic species of X-C«58876»C-H+ and X-C«58876»C-X+, X«58875»Cl, Br in the ≈ XΩ and ≈ AΩ Ω = , cationic states,
J. Electron Spectrosc. Relat. Phenom., 1985, 35, 1, 171, https://doi.org/10.1016/0368-2048(85)80051-7
. [all data]
Leutwyler, Maier, et al., 1984
Leutwyler, S.; Maier, J.P.; Spittel, U.,
Electronic absorption spectra of dihaloacetylene cations in neon matrices,
Mol. Phys., 1984, 51, 2, 437, https://doi.org/10.1080/00268978400100291
. [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]
Allan, Kloster-Jensen, et al., 1977
Allan, M.; Kloster-Jensen, E.; Maier, J.P.,
J. Chem. Soc., 1977, Faraday Trans. 2 73, 1406. [all data]
Dujardin, Leach, et al., 1980
Dujardin, G.; Leach, S.; Taieb, G.; Maier, J.P.; Gelbart, W.M.,
Radiationless transitions in molecular ions: Monochloroacetylene and dichloroacetylene cations,
J. Chem. Phys., 1980, 73, 10, 4987, https://doi.org/10.1063/1.439976
. [all data]
Maier and Thommen, 1982
Maier, J.P.; Thommen, F.,
Relaxation of dihaloacetylene cations in their A and B states studied by photoelectron-photoion coincidence spectroscopy,
Chem. Phys., 1982, 70, 325. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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