CCAs
- Formula: C2As
- Molecular weight: 98.9430
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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 = 14169.44 | gas | A-X | 570 | 685 | Sunahori, Wei, et al., 2007 | ||
Wei, Grimminger, et al., 2008 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 1 | CC stretch | 1851.3 | gas | LF | Wei, Grimminger, et al., 2008 | |
Π | 2 | Bend | 250.1 | gas | LF | Wei, Grimminger, et al., 2008 | |
Σ+ | 3 | CAs stretch | 560.1 | gas | LF | Wei, Grimminger, et al., 2008 | |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 1 | CC stretch | 1691.7 | gas | LF | Sunahori, Wei, et al., 2007 Wei, Grimminger, et al., 2008 | |
Π | 2 | Bend (w) | 161.6 ± 0.8 | gas | LF | Wei, Grimminger, et al., 2008 | |
Σ+ | 3 | CAs stretch | 661.0 | gas | LF | Sunahori, Wei, et al., 2007 Wei, Grimminger, et al., 2008 | |
Additional references: Sun, Clouthier, et al., 2009
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.
Sunahori, Wei, et al., 2007
Sunahori, F.X.; Wei, J.; Clouthier, D.J.,
Spectroscopic Identification of C,
J. Am. Chem. Soc., 2007, 129, 31, 9600, https://doi.org/10.1021/ja0738475
. [all data]
Wei, Grimminger, et al., 2008
Wei, J.; Grimminger, R.A.; Sunahori, F.X.; Clouthier, D.J.,
Electronic spectroscopy of the jet-cooled arsenic dicarbide (C[sub 2]As) free radical,
J. Chem. Phys., 2008, 129, 13, 134307, https://doi.org/10.1063/1.2988311
. [all data]
Sun, Clouthier, et al., 2009
Sun, M.; Clouthier, D.J.; Ziurys, L.M.,
The Fourier transform microwave spectrum of the arsenic dicarbide radical (CCAs: X [sup 2]Π[sub 1«8725»2]) and its [sup 13]C isotopologues,
J. Chem. Phys., 2009, 131, 22, 224317, https://doi.org/10.1063/1.3267483
. [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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