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Three‐Dimensional Chiral Molecule‐Based Ferrimagnet with Triple‐Helical‐Strand Structure
Author(s) -
Imai Hiroyuki,
Inoue Katsuya,
Kikuchi Kohichi,
Yoshida Yusuke,
Ito Mitsuhiro,
Sunahara Tetsuya,
Onaka Satoru
Publication year - 2004
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.200460867
Subject(s) - ferrimagnetism , twist , magnetism , crystallography , ion , chemistry , molecule , chirality (physics) , coordination complex , crystal structure , stereochemistry , physics , condensed matter physics , mathematics , quantum mechanics , magnetization , chiral symmetry , organic chemistry , magnetic field , geometry , metal , quark , nambu–jona lasinio model
Magnetism gets a new twist : The crystal structure and magnetic properties of a chiral 3D ferrimagnet with T c of 35 K, [{Cr III (CN) 6 }{Mn II ( d‐ or L ‐NH 2 ala)} 3 ]⋅3 H 2 O (NH 2 ala=aminoalanine ion) are described. The complex has an extended, chiral, triple‐strand helical arrangement of Mn II ions, formed by the coordination of the organic ligands (see picture; purple Mn, gray C, blue N, red O). The triple helixes are linked to each other by the {Cr III (CN) 6 } units.
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