H2C=C=NCN
- Formula: C3H2N2
- Molecular weight: 66.0614
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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: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a' | 1 | CH s-stretch | 3044.7 | w | Ar | IR | Maier and Endres, 1999 |
| 1 | CH s-stretch | 3035.4 | w | N2 | IR | Maier and Endres, 1999 | |
| 2 | CN stretch | 2267.0 | m | Ar | IR | Maier and Endres, 1999 | |
| 2 | CN stretch | 2249.7 | m | Ar | IR | Maier and Endres, 1999 | |
| 2 | CN stretch | 2232.8 | m | Ar | IR | Maier and Endres, 1999 | |
| 2 | CN stretch | 2253.8 | m | N2 | IR | Maier and Endres, 1999 | |
| 2 | CN stretch | 2235.9 | m | N2 | IR | Maier and Endres, 1999 | |
| 3 | CCN a-stretch | 2048.9 | vs | Ar | IR | Maier and Endres, 1999 | |
| 3 | CCN a-stretch | 2041.8 | vs | N2 | IR | Maier and Endres, 1999 | |
| 5 | Mixed | 1222.0 | w | Ar | IR | Maier and Endres, 1999 | |
| 5 | Mixed | 1221.6 | w | N2 | IR | Maier and Endres, 1999 | |
| 6 | Mixed | 857.9 | w | Ar | IR | Maier and Endres, 1999 | |
| 6 | Mixed | 862.5 | w | N2 | IR | Maier and Endres, 1999 | |
| 7 | CH2 wag | 733.5 | m | Ar | IR | Maier and Endres, 1999 | |
| 7 | CH2 wag | 749.9 | m | N2 | IR | Maier and Endres, 1999 | |
| 7 | CH2 wag | 747.3 | m | N2 | IR | Maier and Endres, 1999 | |
| 8 | Skel. deform. | 596.3 | w | Ar | IR | Maier and Endres, 1999 | |
| 8 | Skel. deform. | 601.4 | w | N2 | IR | Maier and Endres, 1999 | |
| a | 11 | CH a-stretch | 3136.4 | w | Ar | IR | Maier and Endres, 1999 |
| 11 | CH a-stretch | 3123.3 | w | N2 | IR | Maier and Endres, 1999 | |
Additional references: Jacox, 2003, page 340
Notes
| w | Weak |
| m | Medium |
| vs | Very strong |
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 and Endres, 1999
Maier, G.; Endres, J.,
2H-Imidazol-2-ylidene: New Insights from a Matrix-Spectroscopic Study,
Chem. Eur. J., 1999, 5, 5, 1590, https://doi.org/10.1002/(SICI)1521-3765(19990503)5:5<1590::AID-CHEM1590>3.0.CO;2-6
. [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]
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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