A State-to-State Statistical-Dynamical Theory for Large Molecule Collisional Energy Transfer

摘要

A statistical-dynamical theory of large molecule energy transfer based on state-to-state transition probabilities is derived and a demonstration calculation is presented for cyclopropane deactivation by helium. For demonstra- tion purposes, the SSH(T) theory is used for calculating state-to-state transition probabilities, and thus the present calculations are expected to provide only general trends. Various tests for convergence of the calculations are described. The calculations are shown to be practical even for energies where the vibrational state densities exceed 10~10 states cm~-1.