Cyclopropenylidene
- Formula: C3H2
- Molecular weight: 38.0480
- IUPAC Standard InChIKey: VVLPCWSYZYKZKR-UHFFFAOYSA-N
- CAS Registry Number: 16165-40-5
- Chemical structure:
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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: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 36901 | gas | B-X | 264 | 271 | Hemberger, Noller, et al., 2010 | ||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
891 | gas | PF MPI | Hemberger, Noller, et al., 2010 | ||||
574 | gas | PF MPI | Hemberger, Noller, et al., 2010 | ||||
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Td = 27800 | T | Ar | Reisenauer, Maier, et al., 1984 | ||||
Maier, Reisenauer, et al., 1987 | |||||||
Huang and Graham, 1990 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 3 | 1277.37 | gas | IR | Hirahara, Masuda, et al., 1991 | ||
3 | 1278.6 | Ar | IR | Reisenauer, Maier, et al., 1984 Maier, Reisenauer, et al., 1987 Huang and Graham, 1990 Seburg, Pattersosn, et al., 1997 | |||
3 | 1277.7 | Ar | IR | Reisenauer, Maier, et al., 1984 Maier, Reisenauer, et al., 1987 Huang and Graham, 1990 Seburg, Pattersosn, et al., 1997 | |||
4 | 887.1 | T | Ar | IR | Reisenauer, Maier, et al., 1984 Maier, Reisenauer, et al., 1987 Huang and Graham, 1990 Seburg, Pattersosn, et al., 1997 | ||
b1 | 6 | 776.12 | gas | IR | Varadwaj, Fujimori, et al., 2011 | ||
6 | 787.8 | T | Ar | IR | Reisenauer, Maier, et al., 1984 Maier, Reisenauer, et al., 1987 Huang and Graham, 1990 Dateo and Lee, 1997 | ||
b2 | 8 | 1063.6 | T | Ar | IR | Reisenauer, Maier, et al., 1984 Maier, Reisenauer, et al., 1987 Huang and Graham, 1990 | |
Additional references: Jacox, 1994, page 248; Jacox, 2003, page 262; Thaddeus, Vrtilek, et al., 1985; Bogey, Demuynck, et al., 1986; Bogey, Demuynck, et al., 1987; Vrtilek, Gottlieb, et al., 1987; Lovas, Suenram, et al., 1992
Notes
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
d | Photodissociation threshold |
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.
Hemberger, Noller, et al., 2010
Hemberger, P.; Noller, B.; Steinbauer, M.; Fischer, I.; Alcaraz, C.; Cunha de Miranda, B.K.; Garcia, G.A.; Soldi-Lose, H.,
Threshold Photoelectron Spectroscopy of Cyclopropenylidene, Chlorocyclopropenylidene, and Their Deuterated Isotopomeres,
J. Phys. Chem. A, 2010, 114, 42, 11269, https://doi.org/10.1021/jp104019d
. [all data]
Reisenauer, Maier, et al., 1984
Reisenauer, H.P.; Maier, G.; Riemann, A.; Hoffmann, R.W.,
Cyclopropenyliden,
Angew. Chem., 1984, 96, 8, 596, https://doi.org/10.1002/ange.19840960811
. [all data]
Maier, Reisenauer, et al., 1987
Maier, G.; Reisenauer, H.P.; Schwab, W.; Carsky, P.; Hess, B.A., Jr.; Schaad, L.J.,
Vinylidene carbene: a new C3H2 species,
J. Am. Chem. Soc., 1987, 109, 17, 5183, https://doi.org/10.1021/ja00251a023
. [all data]
Huang and Graham, 1990
Huang, J.W.; Graham, W.R.M.,
Fourier transform infrared study of tricarbon hydride radicals trapped in Ar at 10 K,
J. Chem. Phys., 1990, 93, 3, 1583, https://doi.org/10.1063/1.459137
. [all data]
Hirahara, Masuda, et al., 1991
Hirahara, Y.; Masuda, A.; Kawaguchi, K.,
Fourier transform infrared spectroscopy of the ν3 band of cyclopropenylidene, C3H2,
J. Chem. Phys., 1991, 95, 6, 3975, https://doi.org/10.1063/1.460804
. [all data]
Seburg, Pattersosn, et al., 1997
Seburg, R.A.; Pattersosn, E.V.; Stanton, J.F.; McMahon, R.J.,
Structures, Automerizations, and Isomerizations of C,
J. Am. Chem. Soc., 1997, 119, 25, 5847, https://doi.org/10.1021/ja9638869
. [all data]
Varadwaj, Fujimori, et al., 2011
Varadwaj, P.R.; Fujimori, R.; Kawaguchi, K.,
High-Resolution Fourier Transform Infrared Absorption Spectroscopy of the ν,
J. Phys. Chem. A, 2011, 115, 30, 8458, https://doi.org/10.1021/jp204068w
. [all data]
Dateo and Lee, 1997
Dateo, C.E.; Lee, T.J.,
An accurate ab initio quartic force field and vibrational frequencies for cyclopropenylidene,
Spectrochim. Acta A, 1997, 53, 8, 1065, https://doi.org/10.1016/S1386-1425(96)01871-9
. [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]
Thaddeus, Vrtilek, et al., 1985
Thaddeus, P.; Vrtilek, J.M.; Gottlieb, C.A.,
Laboratory and astronomical identification of cyclopropenylidene, C3H2,
Astrophys. J., 1985, 299, L63, https://doi.org/10.1086/184581
. [all data]
Bogey, Demuynck, et al., 1986
Bogey, M.; Demuynck, C.; Destombes, J.L.,
Centrifugal distortion analysis of the rotational spectrum of cyclopropenylidene,
Chem. Phys. Lett., 1986, 125, 4, 383, https://doi.org/10.1016/0009-2614(86)85177-6
. [all data]
Bogey, Demuynck, et al., 1987
Bogey, M.; Demuynck, C.; Destombes, J.L.; Dubus, H.,
Molecular structure of cyclopropenylidene, H«58872»«58872»H from the millimeter wave spectra of its isotopomers,
J. Mol. Spectrosc., 1987, 122, 2, 313, https://doi.org/10.1016/0022-2852(87)90007-5
. [all data]
Vrtilek, Gottlieb, et al., 1987
Vrtilek, J.M.; Gottlieb, C.A.; Thaddeus, P.,
Laboratory and astronomical spectroscopy of C3H2, the first interstellar organic ring,
Astrophys. J., 1987, 314, 716, https://doi.org/10.1086/165099
. [all data]
Lovas, Suenram, et al., 1992
Lovas, F.J.; Suenram, R.D.; Ogata, T.; Yamamoto, S.,
Microwave spectra and electric dipole moments for low-J levels of interstellar radicals: SO, C2S, C3S, c-HC3, CH2CC, and c-C3H2,
Astrophys. J., 1992, 399, 325, https://doi.org/10.1086/171928
. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
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