HCCAl
- Formula: C2HAl
- Molecular weight: 52.0109
- CAS Registry Number: 154427-22-2
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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: A
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 28755.04 | gas | A-X | 326 | 355 | Apetrei, Ding, et al., 2007 | ||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| Σ+ | 3 | AlC stretch | 654.5 | gas | MPI | Apetrei, Ding, et al., 2007 | |
| Π | 4 | HCC bend | 399.9 | gas | MPI | Apetrei, Ding, et al., 2007 | |
| 5 | CCAl bend | 114.5 | gas | MPI | Apetrei, Ding, et al., 2007 | ||
| 5 | CCAl bend | 34.4 | gas | MPI | Apetrei, Ding, et al., 2007 | ||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| Σ+ | 2 | CC stretch | 1976.4 | Ar | IR | Burkholder and Andrews, 1993 Chertihin, Andrews, et al., 1994 | |
| 3 | AlC stretch | 516.4 | gas | MPI | Apetrei, Ding, et al., 2007 | ||
| 3 | AlC stretch | 512.8 | Ar | IR | Burkholder and Andrews, 1993 Chertihin, Andrews, et al., 1994 | ||
| Π | 4 | HCC deform. | 683.5 | Ar | IR | Burkholder and Andrews, 1993 Chertihin, Andrews, et al., 1994 | |
Additional references: Jacox, 1998, page 233; Cabezas, Mata, et al., 2012
Notes
| 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.
Apetrei, Ding, et al., 2007
Apetrei, C.; Ding, H.; Maier, J.P.,
Gas phase electronic spectrum of linear AlCCH,
Phys. Chem. Chem. Phys., 2007, 9, 29, 3897, https://doi.org/10.1039/b706384a
. [all data]
Burkholder and Andrews, 1993
Burkholder, T.R.; Andrews, L.,
Matrix infrared spectra of aluminum, gallium, and indium complexes with acetylene,
Inorg. Chem., 1993, 32, 11, 2491, https://doi.org/10.1021/ic00063a048
. [all data]
Chertihin, Andrews, et al., 1994
Chertihin, G.V.; Andrews, L.; Taylor, P.R.,
Reactions of Pulsed-Laser-Evaporated Al with C and C2H2. Infrared Spectra and CASSCF Calculations for AlC, Al2C, Al2C2, and AlC2H,
J. Am. Chem. Soc., 1994, 116, 8, 3513, https://doi.org/10.1021/ja00087a043
. [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]
Cabezas, Mata, et al., 2012
Cabezas, C.; Mata, S.; Daly, A.M.; Martin, A.; Alonso, J.L.; Cernicharo, J.,
LA-MB-FTMW spectroscopy of AlCCH and AgCCH with a discharge source,
J. Mol. Spectrosc., 2012, 278, 31, https://doi.org/10.1016/j.jms.2012.07.003
. [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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