Q-BRANCH EXCITED POLARIZED FLUORESCENCE OF FREE POLYATOMIC-MOLECULES

The formation mechanism of the Q branch excited luminescence polarizat ion of complex molecules in the vapor phase is considered in massive a symmetrical top model. The calculated maps are given together with ava ilable experimental values of the degree of polarization and Q branch intensities as functions of the relation of the principal inertia mome nts and of the absorbing and emitting oscillators orientation. The cal culated and measured values of the degree of polarization are compared .