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Spectroscopic properties of dithallium phthalocyanine

Janczak T.

Polish Journal of Chemistry

1999

vol. 73 nr 3

437-446

Black-green dithallium (I) phthalocyanine complex with metallic conductivity has been obtained in crystalline form. The UV-VIS, IR, far IR and resonance Raman spectra of the Tl2Pc complex are presented. The absorption electronic spectra indicate the proximity of the HOMO and LUMO of the Pc ligand in energy. The additional band at 516 nm is attributed to CT transition. The vibrational spectroscopic data of dithallium(I) phthalocyanine complex are discussed in terms of specific chemical bonds and atomic group and compared with the other phthalocyanines. An empirical vibrational assignment of the observed fundamentals is given.