| No | Temperature | Wave number (cm−1) | Assignments |
| 1 | 250 | 513 | Li-O |
|
|
| 607 | Li-Mn-O |
| 2 | 450 | 505 | Li-O |
|
|
| 613 | Li-Mn-O |
| 3 | 650 | 516 | Li-O |
|
|
| 619 | Li-Mn-O |
| 4. | 850 | 516 | Li-O |
|
|
| 610 | Li-Mn-O |