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Octahedral Pd 2+ Coordination and Ferromagnetic Ordering in Pd(S 2 O 7 )
Author(s) -
Bruns Jörn,
Eul Matthias,
Pöttgen Rainer,
Wickleder Mathias S.
Publication year - 2012
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.201107197
Subject(s) - ferromagnetism , octahedron , palladium , paramagnetism , crystallography , square (algebra) , planar , materials science , oxygen , chemistry , crystal structure , condensed matter physics , physics , geometry , mathematics , catalysis , biochemistry , computer graphics (images) , organic chemistry , computer science
It's hip not to be square : The oxidation of elemental palladium with SO 3 leads to Pd(S 2 O 7 ) in which the Pd 2+ is in an octahedral coordination environment of oxygen atoms (see structure Pd red, O blue, S yellow) and not the usual square‐planar environment for Pd 2+ species. This unexpected geometry leads to the observed paramagnetism of the compound with ferromagnetic ordering at 11.7 K.
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