Wavenumber (cm−1) | Assignments | Reference |
2937 | asymmetric (CH3) | [31] |
2915 | asymmetric (CH2) | [31] |
2848 | symmetric (CH2) | [31] |
830 | S-OC stretching | [31] |
968, 977 | asymmetric S-OC stretching | [32] |
1068, 1080 | degenerate | [32] |
1213, 1209 | degenerate | [32] |
576, 603 | degenerate symmetric | [32] |