Sr. No. | Observed wave numbers in cm−1 | Bonds/Vibrational assignments | |
1 | 3514.42 | H-O-H stretching vibrations of water | |
2 | 3275.24 | H-O-H stretching vibrations of water | |
3 | 2478.61 | H-O-H stretching vibrations of cluster of water molecules of crystallization | |
4 | 2393.74 | H-O-H stretching vibrations of cluster of water molecules of crystallization | |
5 | 1699.34 | H-O-H bending modes of vibrations | |
6 | 1653.05 | H-O-H bending modes of vibrations | |
7 | 1232.55 | n3 asymmetric stretching vibrations of PO4 | |
8 | 1165.04 | n3 asymmetric stretching vibrations of PO4 | |
9 | 1062.81 | n3 asymmetric stretching vibrations of PO4 | |
10 | 1022.31 | n1 symmetric stretching vibrations of PO4 | |
11 | 891.14 | Wagging modes of vibrations of coordinated water | |
12 | 684.75 | Oxygen-metal bond | |