Abstract
A model for the formation of rotationally nonequilibrated ensembles of gaseous molecular complexes is developed taking into account the vector dynamics of translational-rotational exchange and its manifestation as anisotropic light absorption and emission. The proposed model is used to calculate the optical anisotropy of an ensemble of molecular complexes as a function of the change of partial angular momenta and the ratio of moments of inertia of the starting fragments and the resulting complexes. The increase of additional angular momentum due to moments induced during rotational-translational exchange is shown to be capable of causing both a decrease and increase of anisotropy depending on the shape of the complex inertia ellipsoids.
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