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Structure and Properties of Non-classical Polymers. XV. 1D Polymers Possessing Two Bands with Ferromagnetically Coupled Electrons*

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Structure and Properties of Non-classical Polymers. XV. 1D Polymers Possessing Two Bands with Ferromagnetically Coupled Electrons*

Nikolai Tyutyulkova, Nedko Drebovb, Klaus M¨ullenc, and Fritz Dietzd

aUniversity of Sofia, Faculty of Chemistry, Department of Physical Chemistry, 1, J. Bourchier blvd, 1129 Sofia, Bulgaria

bUniversit¨at Karlsruhe, Institut f¨ur Physikalische Chemie, Fritz-Haber-Weg 4, 76131 Karlsruhe, Germany

cMax-Plank Institut f¨ur Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany

dUniversit¨at Leipzig, Wilhelm-Ostwald-Institut f¨ur Physikalische und Theoretische Chemie, Johannisallee 29, 04103 Leipzig, Germany

Reprint requests to Prof. Fritz Dietz. Fax: +49-341-97399. E-mail: dietz@chemie.uni-leipzig.de Z. Naturforsch.2010,65b,49 – 56; received September 28, 2009

Dedicated to Professor Achim Mehlhorn on the occasion of his 70thanniversary

The energy spectra and magnetic properties of a new class of non-classical (non-Kekul´e) 1D polymers, having two bands with magnetically coupled electrons, have been investigated by many- electron band theory.

Key words:Non-classical 1D Polymers, Molecular Magnets, Polymers with Two Half-filled Bands

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