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Proceedings Paper

Optically active molecular magnets
Author(s): Michel Gruselle; Bernard Malézieux; Cyrille Train; Carine Guyard-Duhayon; René Clément; Sophie Bénard; Patrick Gredin; Kaia Tonsuaadu
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Paper Abstract

We describe the synthesis of two-dimensional {[MnIICrIII(C2O4)3]C} bimetallic networks that include as template cations C stilbazolium salts 4-[4-(N,N-dimethylamino)-α-styryl]-N-alkylpyridinium with alkyl = methyl (DAMS), 4-[4-methoxy- α-styryll-N-isopentylpyridinium (MIPS), and DAZOP, which is a DAMS analogue with the central [C=C] core replaced by an azo N=N] moiety. These networks are obtained in their optically active forms, using the resolved - or Λ- [CrIII(C204)3]3- anionic bricks as chiral-inducing reagents. The UV-visible properties of the networks and their natural circular dichroism (Cotton effects) demonstrate that the MIPS, DAZOP, and DAMS become chiral in [MnIICrIII (C204)3]- anionic matrices. The absolute configurations of the template cations inside the anionic framework depend on the configuration of the starting anionic reagent.

Paper Details

Date Published: 12 June 2006
PDF: 7 pages
Proc. SPIE 5946, Optical Materials and Applications, 59460K (12 June 2006); doi: 10.1117/12.639178
Show Author Affiliations
Michel Gruselle, Univ. Pierre et Marie Curie (France)
Bernard Malézieux, Univ. Pierre et Marie Curie (France)
Cyrille Train, Univ. Pierre et Marie Curie (France)
Carine Guyard-Duhayon, Univ. Pierre et Marie Curie (France)
René Clément, Univ. Paris Sud (France)
Sophie Bénard, Univ. Paris Sud (France)
Patrick Gredin, Univ. Pierre et Marie Curie (France)
Kaia Tonsuaadu, Tallinn Univ. of Technology (Estonia)

Published in SPIE Proceedings Vol. 5946:
Optical Materials and Applications
Arnold Rosental, Editor(s)

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