Ethylenimine
- Formula: C2H5N
- Molecular weight: 43.0678
- IUPAC Standard InChI: InChI=1S/C2H5N/c1-2-3-1/h3H,1-2H2
- IUPAC Standard InChIKey: NOWKCMXCCJGMRR-UHFFFAOYSA-N
- CAS Registry Number: 151-56-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Aziridine; Azacyclopropane; Aziran; Dimethylenimine; Ethyleneimine; EI; Aethylenimin; Azirane; Aziridin; 1H-Azirine, dihydro-; Dihydroazirene; Dihydro-1H-azirine; Dimethyleneimine; ENT-50324; Ethyleenimine; Etilenimina; Rcra waste number P054; TL 337
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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: Takehiko Shimanouchi
Symmetry: Cs Symmetry Number σ = 1
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a' | 1 | NH str | 3338 | C | 3338 W | gas | 3302 M p | liq. | ||
| a' | 2 | CH2 a-str | 3079 | D | 3079 S | gas | 3059 M dp | liq. | OV(ν11) | |
| a' | 3 | CH2 s-str | 3015 | D | 3015 S | gas | 2999 VS p | liq. | OV(ν12) | |
| a' | 4 | CH2 scis | 1482 | C | 1482 W | gas | 1471 W p | liq. | ||
| a' | 5 | Ring str | 1211 | C | 1211 S | gas | 1212 VS p | liq. | ||
| a' | 6 | CH2 twist | 1095 | D | 1095 S | gas | 1088 W p | liq. | ||
| a' | 7 | CH2 wag | 1090 | D | 1090 S | gas | 1088 W p | liq. | ||
| a' | 8 | NH bend | 998 | C | 998 M | gas | 1028 W | liq. | ||
| a' | 9 | Ring deform | 856 | C | 856 VS | gas | 855 M dp | liq. | ||
| a' | 10 | CH2 rock | 773 | C | 773 S | gas | 787 W dp | liq. | ||
| a | 11 | CH2 a-str | 3079 | D | 3079 S | gas | 3059 M dp | liq. | OV(ν2) | |
| a | 12 | CH2 s-str | 3015 | D | 3015 S | gas | 2999 VS p | liq. | OV(ν3) | |
| a | 13 | CH2 scis | 1463 | C | 1463 W | gas | 1452 W dp | liq. | ||
| a | 14 | CH2 twist | 1268 | C | 1268 M | gas | 1276 VW | liq. | ||
| a | 15 | NH bend | 1237 | C | 1237 M | gas | 1297 W p | liq. | ||
| a | 16 | CH2 wag | 1131 | C | 1131 M | gas | 1130 VW | liq. | ||
| a | 17 | Ring deform | 904 | C | 904 S | gas | ||||
| a | 18 | CH2 rock | 817 | D | 817 M dp | liq. | ||||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| S | Strong |
| M | Medium |
| W | Weak |
| VW | Very weak |
| p | Polarized |
| dp | Depolarized |
| OV | Overlapped by band indicated in parentheses. |
| C | 3~6 cm-1 uncertainty |
| D | 6~15 cm-1 uncertainty |
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.
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [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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