ELECTRONIC AND OPTICAL-PARAMETERS OF THE TGM-3 PHOTOPOLYMER

Molecular properties of the TGM-3 photopolymer have been investigated using a HYPERCHEM 4.0 computer package. The geometry of this photopoly mer was successfully optimized and the TGM-3 structure obtained shows a very complicated non-linear shape. The total charge density of TGM-3 is strongly nonuniform. C=O double chemical bonds are roughly perpend icular to a bent central chain. We have calculated a value of the HOMO -LUMO energy gap which is not in agreement with our experimental data for the fundamental absorption edge. A possible origin of this differe nce is suggested. One can expect that the TGM-3 properties have a stro ng influence on its solid many-component mixtures with other photopoly mers.