Table 1.
Intensity ratio, I3.1 − 3.5/I1.6 − 1.7, of the C–H stretch to the bands in the 1.6–1.7 μm region (with 0 K for ground states and 1000 K for vibrational excited states).
| Molecules | Max (0 K) | Sum (0 K) | Max (1000 K) | Sum (1000 K) |
|---|---|---|---|---|
| Anthracene | 18.14 | 13.08 | 22.55 | 18.04 |
| Tetracene | 27.26 | 12.74 | 24.63 | 18.35 |
| Pentacene | 30.02 | 13.27 | 17.93 | 16.16 |
| Phenanthrene | 31.03 | 13.26 | 21.95 | 15.44 |
| Chrysene | 18.53 | 10.84 | 19.81 | 18.96 |
| Benz[a]anthracene | 10.91 | 12.96 | 20.05 | 13.99 |
| Pyrene | 19.65 | 12.98 | 23.78 | 17.72 |
| Perylene | 22.14 | 12.27 | 41.30 | 21.81 |
| Mean | 22.19 | 12.56 | 24.0 | 17.56 |
Notes. The “Max” column shows the ratios calculated based on the maximum intensities in each region. The “Sum” column is calculated based on the total intensities in each region.
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