| Bands | ν(O-H) | νas(N-H) | νsy(N-H) | νas(COO) (cm−1) | νsy(COO) | Ν(C=N) | ν(C-N) | ν(M-N) | ν(M-O) |
| L' | 3205 | 3126 |
| 1650 | 1583 |
|
|
|
|
| L" |
|
|
|
|
| 1514, 1330 |
|
|
|
| 1 | 3550 | 3354 | 3324 | 1640, 1424, | 1585, 1359 |
| 1246, 1174 | 649 | 575, 532 |
| 2 |
|
| 3150 | 1654 | 1516, 1375 | 1430 | 1244, 1108 | 370 | 513 |
| 3 | 3515, 3442 | 3205 |
| 1588, 1452 | 1513, 1434 |
| 1244, 1042 | 649 | 575, 530 |
| 4 | 3309 | 3234 | 3158 | 1583, 1459 | 1352, | 1403 | 1302, 1235 | 638, 604 | 541, 517 |
| 5 | 3590 | 3328 | 3278 | 1598, 1448 | 1515, 1384 |
| 1145 | 604 | 535 |
| 6 | 3660 | 3340 | 1586 | 1514 | 1424, 1359 | 1330 | 1143 | 642 | 530 |