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Triangular Geometrical and Magnetic Motifs Uniquely Linked on a Spherical Capsule Surface
Author(s) -
Müller Achim,
Todea Ana Maria,
van Slageren Joris,
Dressel Martin,
Bögge Hartmut,
Schmidtmann Marc,
Luban Marshall,
Engelhardt Larry,
Rusu Mariana
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200500697
Subject(s) - spheres , spins , surface (topology) , magnetism , physics , spin (aerodynamics) , crystallography , geometry , condensed matter physics , materials science , chemistry , mathematics , thermodynamics , astronomy
Sphere we go : A spherical capsule is prepared simply by the interaction of linkers to pentagonal structural units. The metal centers (M) of the {(Mo VI )Mo VI 5 } 12 M 30 type Keplerates formed (M=V IV , Fe III ) describe an icosidodecahedron (see picture). For M=Fe III the magnetic configuration of the 30 spin centers (colored spheres) can be pictured geometrically in terms of three sets, each of 10 spins, with different angular orientations (arrows). With M=V IV the compound behaves according to the demands of quantum mechanics and a clear geometrical picture of the magnetism is not possible.
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