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Table 3
IR absorption bands and assignments of the carbamate NCCH2NHCOO−NCCH2NH
formed from the warming of a binary ice mixture NH2CH2CN:CO2=1:3.
| Assignment | Wavenumbers |
| (cm-1) | |
|
|
|
| ν(NH2) | 3367 |
| ν(NH2) | 3264 |
| ν(CH) | 2996 |
| ν(CH) | 2942 |
| ν(CH) | 2856 |
ν(NH ) |
2619 |
| ν(CN) | 2245 |
| ν(CN) | 2108 |
| νas(COO−) | 1574 |
δ(NH ) |
1474 |
| δ(CH) | 1417 |
| νs(COO−) | 1363 |
| δ(CH) | 1308 |
| ν(CN) | 1154 |
| ρ(NH2) | 1027 |
| δoop(NH) | 976 |
| δoop(NH) | 905 |
Notes. Vibration mode: stretching (ν), bending (δ), rocking (ρ), out of plane deformation (δoop).
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