Table 4 Calculated Raman Wave Numbers (cm-1) of PrMnO3 along with their Eigen-vector Lengths representing Atomic Displacements for various Atoms
From: Zone center phonons of the orthorhombic RMnO3(R = Pr, Eu, Tb, Dy, Ho) perovskites
Modes | Wave-numbers | Pr | Pr | O1 | O1 | O2 | O2 | O2 |
|---|---|---|---|---|---|---|---|---|
Ag | 491 | 0.04 | 0.26 | -0.08 | -0.46 | 0.69 | -0.43 | 0.21 |
| Â | 462 | 0.05 | 0.16 | -0.24 | 0.53 | 0.60 | 0.52 | -0.02 |
| Â | 386 | 0.05 | 0.05 | 0.96 | 0.05 | 0.20 | 0.15 | 0.01 |
| Â | 324 | 0.12 | -0.15 | -0.06 | -0.66 | 0.09 | 0.54 | -0.47 |
| Â | 232 | -0.30 | 0.21 | -0.03 | -0.27 | -0.18 | 0.47 | 0.74 |
| Â | 206 | 0.91 | -0.16 | -0.04 | -0.01 | -0.07 | 0.06 | 0.36 |
| Â | 64 | 0.24 | 0.90 | 0.00 | -0.01 | -0.27 | 0.01 | -0.25 |
B1g | 607 | -0.03 | 0.10 | -0.06 | 0.96 | -0.05 | 0.09 | 0.24 |
| Â | 496 | 0.33 | 0.05 | 0.78 | 0.06 | -0.49 | -0.13 | -0.10 |
| Â | 486 | 0.05 | 0.00 | 0.10 | -0.08 | -0.07 | 0.99 | -0.03 |
| Â | 445 | 0.07 | -0.17 | 0.51 | 0.06 | 0.82 | 0.01 | 0.14 |
| Â | 312 | -0.27 | 0.34 | 0.15 | -0.25 | -0.12 | 0.00 | 0.84 |
| Â | 114 | 0.28 | 0.90 | -0.05 | -0.01 | 0.24 | 0.00 | -0.23 |
| Â | 84 | 0.85 | -0.18 | -0.30 | -0.07 | 0.01 | -0.01 | 0.38 |
B2g | 627 | 0.01 | Â | 0.90 | Â | 0.13 | 0.37 | 0.20 |
| Â | 493 | 0.08 | Â | -0.20 | Â | 0.95 | 0.20 | -0.06 |
| Â | 432 | -0.17 | Â | -0.27 | Â | -0.25 | 0.88 | -0.25 |
| Â | 283 | 0.09 | Â | -0.28 | Â | -0.05 | 0.19 | 0.94 |
| Â | 125 | 0.98 | Â | -0.01 | Â | -0.12 | 0.11 | -0.13 |
B3g | 537 | 0.06 | Â | 0.59 | Â | 0.41 | 0.68 | -0.08 |
| Â | 400 | 0.04 | Â | -0.23 | Â | -0.69 | 0.64 | 0.25 |
| Â | 305 | 0.21 | Â | -0.73 | Â | 0.41 | 0.32 | -0.40 |
| Â | 239 | 0.28 | Â | -0.18 | Â | 0.39 | 0.00 | 0.86 |
| Â | 123 | 0.93 | Â | 0.19 | Â | -0.20 | -0.14 | -0.18 |