35 | δ(Cα=O) | 630 | 629 | 636 | 636 | 47.5 | 7.05 | 6a(30) + δ(Cα=O)(17) + 9b(16) |
36 | δ(Cα-OH) | - | - | 463 | 471 | 20 | 4.82 | 6a(30) + δ(Cα=O)(17) + δ(Cα-OH)(16) |
37 | w(OH) | 908 | 914 | 907 | 922 | 56.25 | 11.76 | w(OH)(55) + 4(16) |
38 | w(Cα = O) | - | 139 | 140 | 138 | 2.17 | 38.82 | w(Cα=O)(62) + τ(CN)(23) |
39 | τ(CCα) | - | - | 48 | 43 | 2.16 | 92 | τ(CCα)(94) |
Vibrations of methyl group | ||||||||
40 | νs(CH3) | 2945 | 2936 | 3037 | 2946 | 57.5 | 44.78 | νs(CH3)(99) |
41 | νas(CH3) | - | 2977 | 3101 | 2991 | 3.33 | 14.11 | νas(CH3)(99) |
42 | νas(CH3)a" | 2990 | 2991 | 3114 | 3005 | 62.6 | 14.51 | νas(CH3(93)a" |
43 | δs(CH3) | 1370 | 1378 | 1398 | 1384 | 90 | 17.64 | δs(CH3)(82) |
44 | δas(CH3) | 1448 | 1449 | 1405 | 1460 | 56.25 | 17.64 | δas(CH3)(79) + 19a(17) |
45 | δas(CH3)a" | - | - | 1515 | 1480 | 4.01 | 4.13 | δas(CH3)a"(84) |
46 | γ(CH3) | 1010 | 1005 | 1028 | 1017 | 17.5 | 3.52 | γ(CH3)(52) + δas(CH3)(16) |
47 | γ(CH3)a" | - | 1031 | 1034 | 1073 | 5.83 | 2.94 | γ(CH3)a"(66) + δas(CH3)a"(19) |
48 | τ(CCʹ) | - | 86 | 100 | 99 | 70.58 | 0.68 | τ(CCʹ)(82) |
Vibrations of nitro group | ||||||||
49 | νs(NO2) | 1354 | 1352 | 1352 | 1356 | 85 | 100 | νs(NO2)(37) + 14(19) + 7a(19) |
50 | νas(NO2) | 1533 | 1535 | 1523 | 1531 | 97.5 | 32.94 | νas(NO2)(69) + 19b(16) |
51 | δ(NO2) | 761 | 778 | 745 | 769 | 45 | 4.7 | 1(35) + δ(NO2)(28) + 12(14) |
52 | γ(NO2) | 532 | - | 513 | 514 | 45 | 6.2 | γ(NO2)(31) + 6b(28) + 9b(14) |
53 | ω(NO2) | - | - | 677 | 665 | 1.21 | 2.06 | 4(54) + ω(NO2)(13) + 10a(12) |
54 | τ(CN) | - | - | 42 | 40 | 0.89 | 2.184 | τ(CN)(62) + τ(CC')(25) |