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Synthesis, Crystal Structure, and Magnetic Properties of an Octanuclear Nickel( II ) Complex with a hexahedro ‐Ni 8 Core
Author(s) -
Faus Juan,
Lloret Francisco,
Julve Miguel,
ClementeJuan Juan M.,
Muñoz M. Carmen,
Solans Xavier,
FontBardía Mercedes
Publication year - 1996
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199614851
Subject(s) - cube (algebra) , counterion , antiferromagnetism , nickel , crystallography , crystal structure , paramagnetism , ion , chemistry , metal , core (optical fiber) , bridging (networking) , stereochemistry , materials science , physics , condensed matter physics , combinatorics , computer science , mathematics , organic chemistry , computer network , composite material
A Ni 8 cube , assembled with twelve bridging μ‐violurato ligands, is present in 1 (H 3 vi = violuric acid). The oximate groups of the ligands lie along the edges of the cube, connecting the metal ions in an unprecedented trans conformation (see picture, • Ni) and mediating a strong antiferromagnetic coupling between the paramagnetic centers about 5 Å apart. Counterions: Ni 2+ , 4 K + .
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