| Wave band, cm−1 |
Assigned group |
| 2923.76 |
Bound water (H-OH stretch) |
| 2853.32 |
Bound water (H-OH stretch) |
| 1743.23 |
CO2 CO stretch |
| 1711.42 |
Bound water HOH bend |
| 1654.00 |
Bound water HOH bend |
| 1456.66 |
Carbonate CO stretch |
| 952.51 |
Silicate SiO stretch |
| 873.96 |
Sulphate SO stretch |
| 551.70 |
C-Br stretch |
| 541.78 |
C-Br stretch |