TABLE 2.
Diagonal band frequencies, anharmonicities, and linewidths (from fitting horizontal spectral slices), and vibrational lifetimes (from transient gratings)
| Vibrational band | Frequencyω01 (/cm−1) | AnharmonicityΔi (/cm−1) | Vibrational lifetime T1 (/fs) | T1 linewidth contribution 1/2πcT1 (/cm−1) | Spectral full width at half-maximum (/cm−1) |
|---|---|---|---|---|---|
| Aggregated at P/L = 1:8 | |||||
| UL | 1624 | 8 | 1050 | 5.0 | 7 |
| L3 unlabeled | 1628 | 9 | 1100 | 4.8 | 7 |
| L3 labeled | 1597 | 8 | 1200 | 4.4 | 6 |
| L2 unlabeled | 1629 | 8.5 | 1200 | 4.4 | 7 |
| L2 labeled | 1602 | 9 | 770 | 6.9 | 6 |
| L4 unlabeled | 1635 | 9.5 | 700 | 7.5 | 9 |
| L4 labeled | 1602 | 9 | 900 | 5.9 | 8 |
| Aggregated at P/L = 1:5 | |||||
| L2 unlabeled | 1631 | 12 | 650 | 8.2 | 11 |
| L2 labeled | 1600 | 10 | 700 | 7.6 | 10 |
| L3 unlabeled | 1634 | 12 | 650 | 8.2 | 11 |
| L3 labeled | 1599 | 10.5 | 630 | 8.4 | 10 |
| L4 unlabeled | 1633 | 10 | 640 | 8.3 | 10 |
| L4 labeled | 1599 | 9 | 600 | 8.8 | 10 |
| Unaggregated in MeOD | |||||
| L2 unlabeled | 1651 | 15.5 | – | – | – |
| L2 labeled | 1613 | 13 | – | – | – |