Premium
Antiferromagnetic Coupling in a Gadolinium( III ) Semiquinonato Complex
Author(s) -
Caneschi Andrea,
Dei Andrea,
Gatteschi Dante,
Sorace Lorenzo,
Vostrikova Kira
Publication year - 2000
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/(sici)1521-3773(20000103)39:1<246::aid-anie246>3.0.co;2-b
Subject(s) - antiferromagnetism , gadolinium , spins , uncorrelated , coupling (piping) , boron , magnetic susceptibility , chemistry , condensed matter physics , crystallography , nuclear magnetic resonance , materials science , physics , mathematics , organic chemistry , statistics , metallurgy
The strongest antiferromagnetic coupling to Gd III so far reported was found for the complex [Gd(Hbpz 3 ) 2 (dtbsq)]⋅2 CHCl 3 ( 1 ; Hbpz 3 =hydrotris(pyrazolyl)borate; dtbsq=3,5‐di‐ tert ‐butylsemiquinonato; see structure). At 245 K the magnetic susceptibility of 1 is lower than expected for two uncorrelated spins of 7/2 and 1/2, and the lowering of χ T with increasing temperature suggests that this is due to antiferromagnetic interaction between Gd III and the radical.