Table 2 Calculated zone-centre phonon frequencies of TcS2
From: Lattice Dynamics of the Rhenium and Technetium Dichalcogenides
Index | Frequency (cm −1) | IR Activity | Raman Activity |
|---|---|---|---|
4 | 148.14 | 0.0000 | 428 |
5 | 160.38 | 0.0000 | 1016 |
6 | 166.40 | 0.0484 | 0 |
7 | 178.54 | 0.0000 | 3964 |
8 | 187.93 | 0.0000 | 900 |
9 | 188.51 | 0.1416 | 0 |
10 | 250.77 | 0.3533 | 0 |
11 | 252.28 | 0.0000 | 3967 |
12 | 258.18 | 0.3939 | 0 |
13 | 266.53 | 0.0000 | 505 |
14 | 267.82 | 1.2843 | 0 |
15 | 277.76 | 0.0000 | 806 |
16 | 287.93 | 0.3621 | 0 |
17 | 292.34 | 0.0000 | 4655 |
18 | 301.69 | 0.0000 | 2999 |
19 | 306.90 | 0.1785 | 0 |
20 | 307.26 | 0.0000 | 3179 |
21 | 312.84 | 0.0000 | 2761 |
22 | 323.05 | 1.6289 | 0 |
23 | 328.50 | 0.0000 | 1318 |
24 | 329.73 | 4.2948 | 0 |
25 | 343.13 | 2.9997 | 0 |
26 | 349.84 | 0.0000 | 4650 |
27 | 362.87 | 0.1476 | 0 |
28 | 365.12 | 0.0000 | 961 |
29 | 372.55 | 0.2031 | 0 |
30 | 375.97 | 0.0000 | 5592 |
31 | 399.18 | 0.3195 | 0 |
32 | 411.93 | 0.0000 | 6409 |
33 | 424.81 | 0.0000 | 19,660 |
35 | 444.27 | 0.0000 | 9908 |
36 | 468.57 | 3.9835 | 0 |