Abstract
Temperature-dependent molecular dynamics of CS2 liquid are examined in femtosecond time-resolved impulsive stimulated scattering experiments. At temperatures T≤ 240 K, weakly oscillatory time-dependent responses are observed. These are interpreted in terms of librations of molecules about their local potential minima. The librations undergo rapid inhomogeneous dephasing. Temperature-dependent values of the configuration-averaged librational frequency and the extent of inhomogeneity in that frequency are determined.
| Original language | English |
|---|---|
| Pages (from-to) | 16-24 |
| Number of pages | 9 |
| Journal | Chemical Physics Letters |
| Volume | 141 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - 30 Oct 1987 |
| Externally published | Yes |