Table 3.
Parameters from simultaneous fits to the R(t) and P(t) data
| Center Wavelengths | ||||||
| sample | wavelength (cm−1) | fw | T1w (ps) | T1e (ps) | τrw (ps) | τre (ps) |
| 50:1 | 2510 | 0.83 | 1.6 | 2.9 | 2.8 | 15 |
| 37:1 | 2520 | 0.80 | 1.6 | 3.0 | 3.7 | 17 |
| 25:1 | 2520 | 0.77 | 1.7 | 3.1 | 3.6 | 25 |
| 15:1 | 2530 | 0.61 | 1.7 | 3.4 | 3.4 | 20 |
| 10:1 | 2534 | 0.50 | 1.8 | 3.7 | 3.9 | 19 |
| 7:1 | 2539 | 0.42 | 1.7 | 3.8 | 2.9 | 23 |
| 2.7:1 | 2568 | 0.31 | 2.0 | 5.5 | 2.4 | 16 |
| 1:1 | 2589 | 0.25 | 2.3 | 7.7 | 1.0* | 11* |
| Blue Wavelengths | ||||||
| sample | wavelength (cm−1) | fw | T1w (ps) | T1e (ps) | τrw (ps) | τre (ps) |
| 50:1 | 2549 | 0.75 | 1.8 | 2.8 | 2.4 | 12 |
| 37:1 | 2560 | 0.70 | 1.8 | 3.0 | 2.9 | 14 |
| 25:1 | 2560 | 0.68 | 1.9 | 3.3 | 2.9 | 23 |
| 15:1 | 2560 | 0.60 | 2.0 | 3.4 | 3.4 | 21 |
| 10:1 | 2565 | 0.46 | 2.1 | 4.2 | 3.0 | 17 |
| 7:1 | 2568 | 0.38 | 2.0 | 4.5 | 2.8 | 20 |
| 2.7:1 | 2589 | 0.26 | 2.3 | 6.2 | 1.8 | 15 |
| 1:1 | 2610 | 0.18 | 2.8 | 9.3 | 0.9* | 9* |
fw is the amplitude of the T1w and τrw water-like components. The T1e and τre ether associated components have amplitude fe = 1−fw.
Amplitude error bars: ±0.04.
Time constant error bars: ±0.3 ps for T1w, T1e (ps) and τrw; ±3 ps for τre.
*
See text for revised values using wobbling-in-a-cone mechanism.