Dresden 2006 – scientific programme
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TT: Tiefe Temperaturen
TT 25: Correlated Electrons - Poster Session
TT 25.21: Poster
Wednesday, March 29, 2006, 14:30–18:30, P1
Magnetic investigation on a new one-dimensional Fe(II)-triazole complex — •Katarina Remović-Langer1, Volodymyr Pashchenko1, Bernd Wolf1, Michael Lang1, Chunhua Hu2, Jürgen Brüning2, Kibrom Arefe2, Jens Kühne2, Juste E. Djanhan2, and Martin U. Schmidt2 — 1Physikalisches Institut, J. W. Goethe-Universität, FOR 412, Frankfurt (M), Germany — 2Institut für Anorganische und Analytische Chemie, J. W. Goethe-Universität, Frankfurt (M), Germany
A new one-dimensional triazole complex of Fe(II) (S=2) with the general formula {[Fe(C4H7N3O)3](p-ClC6H4SO3)2}n has been synthesized and characterized magnetically. The structure of this polymeric compound consists of linear chains in which the neighboring Fe(II) atoms are triply bridged by pairs of bonded N atoms of the triazole ligands. Each Fe2+ ions have a thermodynamically stable high-spin state. The obtained magnetic properties of Fe-triazole complex can be satisfactorily explained by using a magnetic model for a one-dimensional spin S=2 chain with weak antiferromagnetic Fe-Fe coupling of J/k ≈2.2 K.