Vm. Kobryanskii et Sl. Kotova, PROVING THE FORMATION OF QUINOID FRAGMENTS IN VACUUM-DEPOSITED POLY-PARA-PHENYLENE FILMS BY IR-SPECTROSCOPY, Synthetic metals, 84(1-3), 1997, pp. 667-668
Based on the IR spectral data, the model of formation of PPP chain wit
h quinoid fragments in the ground electronic state is proposed. The st
ructure of defects that inevitably spring up at the benzenoid-quinoid
transition is discussed.