Table 1
Positions and attributions of infrared absorption bands of pure 14N and 15N hydroxyacetonitrile (HOCH2CN) at 40 K.
| Exp ν | Δν14N-15N | ||||
| (cm-1) | Identification | (cm-1) | |||
| 14N | 15N | Exp | Theo | ||
|
|
|||||
| 3375 | 3375 | ν(O–H) | 0 | 0 | |
| 2989 | 2989 | νas(C–H) | 0 | 0 | |
| 2944 | 2944 | νs(C–H) | 0 | 0 | |
| 2265 | 2227 | ν(C=N) | 38 | 31 | |
| 1655 | 1655 | δ(OH) | 0 | 0 | |
| 1437 | 1437 | δ(CH2) | 0 | 0 | |
| 1362 | 1362 | τ(CH2) | 0 | 0 | |
| 1233 | 1241 | δ(OH) | −8 | 0 | |
| 1050 | 1053 | ν(C–O) | −3 | 0 | |
| 977 | 985 | ω(CH2) | −8 | 0 | |
| 887 | 882 | ν(C–C) | 5 | 0 | |
Notes. The frequency shifts between 14N and 15N obtained from experimental or theoretical data are also reported. Vibration mode: stretching (ν), bending (δ), rocking (ρ), torsion (τ), wagging (ω). Type of vibration mode: asymmetric (as), symmetric (s).
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