Table 3 Assignments of the FTIR peaks for synthesized butyl acrylate.
Assignment | Wavenumber (cm–1) | ||
|---|---|---|---|
Acrylic acid | n-Butanol | n-Butyl acrylate (BuA) | |
ν(O–H) | – | 3355 | – |
ν(COO–) | 3109 | – | 3105 |
ν(C–H) | 2976 | 2959, 2933, 2874 | 2961, 2936, 2874 |
ν(C=O) | 1707 | – | 1727 |
ν(C=C) | 1635, 1617 | – | 1636, 1620 |
δ(CH2) | – | 1463 | 1464 |
δ(=CH2) | 1413 | – | 1409 |
ρ(=CH) | 1299, 1061 | – | 1296, 1275, 1064 |
ν(C–O) | 1194 | 1072 | 1192 |
ω(CH=CH2) | 985 | – | 985 |
τ(=CH2) | 813 | – | 811 |