| No.(i) | Symbol | Type | Definitiona |
| Stretching | |||
| 1 - 8 | Ri | CC | C1-C2, C3-C4, C4-C5, C5-C6, C6-C8, C8-C9, C4-C7, C7-C9 |
| 9 - 12 | ri | CN | C1-N11, C2-N10, C3-N11, C3-N10 |
| 13 - 21 | Pi | CH | C5-H15, C6-H16, C8-H17, C9-H19, C7-H18, C1-H20, C1-H13, C2-H14, C2-H21. |
| 22 | Qi | NH | N11-H12. |
| In-Plane bending | |||
| 23 - 28 | bi | Ring1 | C4-C5-C6, C5-C6-C8, C6-C8-C9, C8-C9-C7, C9-C7-C4, C7-C4-C5. |
| 29 - 33 | bi | Ring2 | C1-C2-N10, C2-N10-C3, N10-C3-N11, C3-N11-C1, N11-C1-C2. |
| 34 - 43 | bi | CCH | C4-C7-H18, C9-C7-H18, C7-C9-H19, C8-C9-H19, C9-C8-H17, C6-C8-H17, C8-C6-H16, C5-C6-H16, C4-C5-H15, C6-C5-H115, C1-C2-H14, N10-C2-H14. |
| 44 - 47 | θi | CN | C1-N11-H12, C3-N11-H12, N11-C3-C4, N10-C3-C4. |
| 48 - 49 | θi | CC | C7-C4-C3, C5-C4-C3. |
| 50 - 53 | θi | NCH | N11-C1-H13, N11-C1-H20, N10-C2-H14, N10-C2-H21. |
| 54 - 55 | θi | HCH | H13-C1-H20, H14-C2-H21. |
| Out-of-plane bending | |||
| 56 - 60 | ὠi | CH | H15-C5-C4-C6, H16-C6-C5-C8, H17-C8-C6-C9, H19-C9-C8-C7, H18-C7-C9-C4. |
| 61 | φi | NH | H12-N11-C3-C1 |
| 62 | πi | CN | C4-C3-N10-N11 |
| 63 | πi | CC | C3-C4-C7-C5 |
| Torsion | |||
| 64 - 69 | τi | τRING1 | C4-C5-C6-C8, C5-C6-C8-C9, C6-C8-C9-C7, C8-C9-C7-C4, C9-C7-C4-C5, C7-C4-C5-C6 |
| 70 - 74 | τi | τRING2 | C1-C2 -N10-C3, C2-N10-C3-N11, N10-C3-N11-C1, C3-N11-C1-C2, N11-C1-C2-N10 |
| 75 - 82 | τi | τCH2 | C3-N11-C1-H13, C3-N11-C1-H20, N10-C2-C1-H13, N10-C2-C1-H20, N11-C1-C2-H14, N11-C1-C2-H21, C3-N10-C2-H14, C3-N10-C2-H21. |
| 83 - 84 | τi | Butterfly | N10-C3-C4-C7, C5-C4-C3-N11. |