Table 5. Peierls Coupling Constants of β-QAa.
| exp (cm–1) | DFT (cm–1) | symmetry | gP(b) (meV) | gP(a) (meV) |
|---|---|---|---|---|
| 20.4 | Ag | –2.2 | ||
| 27 | 24.3 | Bg | –1.1 | |
| 39 | 44.4 | Ag | –1.6 | |
| 51.6 | Bg | –4.8 | ||
| 78 | 79.5 | Ag | –4.6 | |
| 96 | 101.8 | Bg | 1.5 | |
| 113 | 116.3 | Ag | –11.4 | –3.4 |
| 122.6 | Bg | –11.5 | –3.3 | |
| 160.4 | Ag | –2.2 | –2.3 | |
| 174.5 | Bg | –2.6 | –1.9 |
Only gP values greater than 1.0 meV are reported.