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IR spectra of C4H5+ and C4D5+ cations (isomers VI) in their salts with the {Cl11−} anion.
| C4H5+ | C4D5+ | H/D Ratio | Assignment * |
|---|---|---|---|
| 3058 | 2284 | 1.339 | νCαH (CαD) and |
| 3039 | 2251 | 1.350 | νCβH (CβD) |
| 2942 | 2129 | 1.381 | νasCH3 (CD3) |
| 2891 | - | - | 2νCC overtone |
| 2871 | 2077 | 1.380 | νasCH3 (CD3) |
| 2829 | 2055 | 1.377 | νsCH3 (CD3) |
| 1563 | 1521 1497 |
1.028 1.044 |
νC≡C |
| 1447 | 1368 | 1.057 | νCC |
| 1327 | 997 | 1.341 | δCH (CD) |
| 1303 | 971 | 1.341 | δCH (CD) |
| 964 | 719 | 1.354 | δCH (CD) |
* ν is the stretching mode; δ is the deformation mode.
