SOLID STATE SSPECTRA OF THE 8-HYDROXYQUINOLINATO-PALLADIUM (II)-CHLORANIL AND 8-HYDROXYQUINOLIXE-CHLORANIL $\Pi$ COMPLXES.
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Date
1973
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Ohio State University
Abstract
The room temperature specular reflection spectra of the 8-hydroxyquinolinatopalladium(II)-chloranil($PdQ_{2}C$) and 8-hydroxyquinoline-chloranil($Q_{2}C$) $\pi$-complexes have been obtained for polarizations along the crystal axes. Both inter- and intramolecular charge transfer transitions are observed and their polarizations are assignes.The intermolecular charge transfer transition in $PdQ_{2}C$ is red-shifted by 4kk from that of $Q_{2}C$ thus indicating delocalization of the aromatic systems through the Pd(II) ion. The metal-ligand charge transfer band observed in 8-hydroxyquinolinatopalladium(II) crystals is compared to that observed in $PdQ_{2}C$. The charge transfer transitions are discussed in the light of Mulliken ‘s theory.
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Author Institution: Dpartment of Chemistry, Univrsity of Nbraska; ., Univrsity of Nbraska