Table A.2
Vibrational bands observed in the spectra of organic refractory residues after 30 min. at 300 K.
| Organic refractory residues at 300 K | ||||
|---|---|---|---|---|
| 1:1:1 | 3:1:1 | 1:1:1 | ||
| +29 eV/16 u | +67 eV/16 u | +98 eV/16 u | Mode | Ref. |
| 3306 (int, b) | 3197 (int, b) | 3277 (int, b) | ν(OH), ν(NH) | 1 |
| 2975 (s) | 2970 (s, n) | 2976 (int) | ν(CH) | 1 |
| 2936 (int) | 2936(s) | 2940 (int) | ν(CH)sym | 2 |
| 2878 (int) | 2872 (s, b) | 2879 (int) | ν(CH)asy | 3,2 |
| 2216(w) | 2217(w,b) | 2215 (int) | ν(C ≡N) | 1 |
| 2161 (vw, b) | 2160(w, b) | 2161 (int) | ν(N ≡C) | 1 |
| 1749 (int) | 1739 (int) | 1746 (s) | ν(C=O) | 4 |
| 1720 (s) | 1720 (s) | 1720 (s) | ν(C=O) | 4, 5 |
| 1674 (int) | 1678 (int) | 1674 (v int) | ν(C=O) | 3 |
| 1643 (int, n) | 1650 (int) | 1650 (s) | ν(C=O), (C=N), δ(NH) | 2 |
| 1599 (int) | 1590 (b) | 1593 (int) | ν(COO−), (C=C), (C=N) | 3, 5, 6 |
| 1456 (s) | 1457 (b) | 1458 (b) | δ(CH, NH) | 3, 4 |
| - | 1376 (w) | 1382 (w) | δ(CH) | 5 |
| 1345 (vw) | 1340 (s, w) | 1343 (w) | νs(COO−) | 2 |
| 1232 (vw) | 1234 (int) | 1230 (int) | ν(C-N) | 3 |
| 1111 (s) | 1110 (s) | 1110 (s, b) | ν(C–O) | 5 |
| - | 1074 (int) | 1078 (int) | 4 | |
| 1056 (v int) | 1050 (s) | 1050 (s) | ν(C–O) | 5 |
| 1009(s, w) | 1014 (s, w) | - | ν(C–N) | 3 |
| 925 (vw) | 926 (vw) | 925 (vw) | O–H def. | 4 |
| 826 (int, b) | 825 (s, b) | 827 (w, s) | ω(NH) | 4 |
Notes. v int = very intense; int =intense, s = shoulder; w = weak; b = broad, n = noisy.
References.1. Accolla et al. (2018), 2. Fresneau et al. (2017), 3. Vinogradoff et al. (2013), 4. Muñoz Caro & Schutte (2003), 5. Bernstein et al. (1995), 6. de Marcellus et al. (2017), 7. Briani et al. (2013).
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