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Cover Picture: Trinuclear Copper Complexes with Triplesalen Ligands: Geometric and Electronic Effects on Ferromagnetic Coupling via the Spin‐Polarization Mechanism (Chem. Eur. J. 33/2007)
Author(s) -
Glaser Thorsten,
Heidemeier Maik,
Strautmann Julia B. H.,
Bögge Hartmut,
Stammler Anja,
Krickemeyer Erich,
Huenerbein Robert,
Grimme Stefan,
Bothe Eberhard,
Bill Eckhard
Publication year - 2007
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.200790126
Subject(s) - ferromagnetism , delocalized electron , spin polarization , covalent bond , copper , molecule , supramolecular chemistry , crystallography , polarization (electrochemistry) , chemistry , chemical physics , coupling (piping) , electron paramagnetic resonance , condensed matter physics , conjugated system , materials science , nuclear magnetic resonance , polymer , physics , electron , crystal structure , quantum mechanics , organic chemistry , metallurgy
As two pearls in an oyster … are two CH 2 Cl 2 molecules encapsulated by two trinuclear triplesalen complexes. In their Full Paper on page 9191 ff., T. Glaser et al. show that these supramolecular aggregates form without covalent bonds. The molecular bowls consist of ferromagnetically coupled complexes. The detailed analysis establishes that not only the spin‐polarization, but also the spin‐delocalization leads to the ferromagnetic coupling.