H2C=C=Si:
- Formula: C2H2Si
- Molecular weight: 54.1228
- CAS Registry Number: 100909-38-4
- Information on this page:
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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: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Txd = 29400 | T | Ar | 310 | 340 | Maier, Reisenauer, et al., 1994 | ||
| Maier, Pacl, et al., 1995 | |||||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a1 | 2 | C=C stretch | 1667.9 | s | Ar | IR | Maier, Reisenauer, et al., 1994 Maier, Pacl, et al., 1995 |
| b1 | 5 | CH deform. | 957.7 | s | Ar | IR | Maier, Reisenauer, et al., 1994 Maier, Pacl, et al., 1995 |
Additional references: Jacox, 1998, page 279; McCarthy and Thaddeus, 2002
Notes
| s | Strong |
| T | Tentative assignment or approximate value |
| x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
| 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.
Maier, Reisenauer, et al., 1994
Maier, G.; Reisenauer, H.P.; Pacl, H.,
C2H2Si-Isomere: Erzeugung durch gepulste Blitzpyrolyse und matrixspektroskopische Identifizierung,
Angew. Chem., 1994, 106, 12, 1347, https://doi.org/10.1002/ange.19941061226
. [all data]
Maier, Pacl, et al., 1995
Maier, G.; Pacl, H.; Reisenauer, H.P.; Meudt, A.; Janoschek, R.,
Silacyclopropyne: Matrix Spectroscopic Identification and ab Initio Investigations,
J. Am. Chem. Soc., 1995, 117, 51, 12712, https://doi.org/10.1021/ja00156a008
. [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]
McCarthy and Thaddeus, 2002
McCarthy, M.C.; Thaddeus, P.,
The Rotational Spectra of H2CCSi and H2C4Si,
J. Mol. Spectrosc., 2002, 211, 2, 228, https://doi.org/10.1006/jmsp.2001.8467
. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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