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Bonds and their lengths, force constants of pure and LAM doped MSHH crystals.
| Sl. No. | Bond | FTIR peaks (cm−1) | Force constant k (Mega dyne/cm) | Bond length r (Å) |
|---|---|---|---|---|
| 1 | OH | 3271.27 | 0.5938 | 3.0591 |
| 2 | HOH | 1647.21 | 0.1506 | 4.8333 |
| 3 | SO4−2 | 1064.71 | 0.7129 | 2.8783 |
| 4 | SO4−2 | 981.77 | 0.6062 | 3.0382 |
| 5 | MgO | 661.85 | 0.2479 | 4.0930 |
| 6 | SO4−2 | 451 | 0.1279 | 5.1032 |
| 7 | NH3+ | 564 | 0.0175 | 9.9031 |
