| | No. (i) | Symbol | Type | Definition |
| | Stretching | | | | | 1–4 | | C–H | C3–H16, C4–H17, C5–H18, C6–H19 | | 5–11 | | C–C | C1–C2, C2–C3, C3–C4, C4–C5, C5–C6, C6–C1, C1–C7 | | 12–14 | | C–O | C7–O8, C7–O9, C2–O11 | | 15 | | O–C | O11–C12 | | 16 | | O–H | O9–H10 | | 17–19 | | C–H(methyl) | C12–H13, C12–H14, C12–H15 | | Bending | | | | | 20-21 | | C–C–C | C2–C1–C7, C6–C1–C7 | | 22–29 | | C–C–H | C2–C3–H16, C4–C3–H16, C3–C4–H17, C5–C4–H17,
C4–C5–H18, C6–C5–H18, C5–C6–H19, C1–C6–H19 | | 30–32 | | C–C–H(methyl) | O11–C12–H13, O11–C12–H14, O11–C12–H15 | | 33–35 | | H–C–H | H13–C12–H14, H13–C12–H15, H14–C12–H15 | | 36-37 | | C–C–O | C1–C7–O8, C1–C7–O9 | | 38 | | C–O–H | C7–O9–H10 | | 39-40 | | C–C–O | C1–C2–O11, C3–C2–O11 | | 41 | | C–O–C | C2–O11–C12 | | 42–47 | | C–C–C (Ring) | C1–C2–C3, C2–C3–C4, C3–C4–C5, C4–C5–C6,
C5–C6–C1, C6–C1–C2 | | Out-of-plane bending | | | | | 48–51 | | C–H | H16–C3–C2–C4, H17–C4–C5–C3, H18–C5–C6–C4, H19–C6–C1–C5 | | 52 | | C–C | C7–C1–C6–C2 | | 53 | | C–O | O11–C2–C1–C3 | | Torsion | | | | | 54-55 | | C–O | C2–C1–C7–O8, C2–C1–C7–O9 | | 56-57 | | C–O–C | C1–C2–O11–C12, C3–C2–O11–C12 | | 58–60 | | C–H(methyl) | C2–O11–C12–H13, C2–O11–C12–H14,
C2–O11–C12–H15 | | 61 | | O–H | C1–C7–O9–H10 | | 62–67 | | tring | C1–C2–C3–C4, C2–C3–C4–C5, C3–C4–C5–C6,
C4–C5–C6–C1, C5–C6–C1–C2, C6–C1–C2–C3 |
|
|
