CHARGE-TRANSFER IN ANALOGOUS OF TCNQ DERIVED FROM FLUORENE WITH TTF

In a series of three TTF-derived dicyanofluorene charge transfer compl exes, an increase of the intermolecular charge transfer has been obser ved for both addition of nitro groups and a suitable symmetry of the f luorene skeleton. A numerical calculus of the charge transfer was base d on IR spectroscopy data with respect to the stretching absorption ba nd of the nitrile group.