The relaxation processes responsible for the finite lifetime of excited vibrational states in
molecular crystals are discussed on the basis of recent experimental and theoretical …

The line shape of the Eg libron at 32 cm-I and of the two components (Ag and Tg) of the
vibron at 2330 cm-I of solid aN 2 at normal pressure were measured as a function of …

The vibrational relaxation and dephasing of two-phonon states in the region of combinations
or overtones of intramolecular vibrations in molecular crystals are discussed. The model …

The in-framework ion dipole polarizability is determined by evaluating the absolute extra-
atomic relaxation energy during the two-electron Auger process. A simple model has been …

We have made anharmonic-lattice-dynamics calculations of phonon frequencies and
bandwidths up to order λ 4 for simple model systems consisting of linear chains of diatomic …

57 4" 5.2. Sulfur. 59 4" 5.3. Benzene. 62 4" 5.4. Naphthalene. 66 45, 5, Ionic molecular
crystals. 69 4" 6. Overtone states. 69 46, 1. Fermi resonance states in molecular crystals. 71 …

The bandwidths and the anharmonic frequency shifts of the optical lattice phonons of
crystalline CO 2 are calculated as a function of temperature using three different …

Anharmonic lattice dynamics (LD) and molecular dynamics (MD) calculations have been
performed for solid CO 2 with two different intermolecular potentials. The IR and Raman …

The relaxation rates offour internal vibrational levels of benzene crystal have been
measured by time-resolved coherent anti-Stokes Raman scattering (CARS) at different …

The algorithm of the Ewald lattice sums is formulated in a form suited for application to lattice
dynamics calculations for ionic molecular crystals, employing molecular coordinates and a …