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Ferro‐and Antiferromagnetic Properties of Metal Complexes with Pyridine‐Substituted Nitronyl Nitroxide Radicals
Author(s) -
Wei HoHsiang,
Wong HongYue,
Lee GeneHsiang,
Wang Yu
Publication year - 1996
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.199600038
Subject(s) - chemistry , antiferromagnetism , monoclinic crystal system , radical , crystallography , transition metal , metal , pyridine , magnetic susceptibility , ferromagnetism , crystal structure , oxide , inorganic chemistry , nitroxide mediated radical polymerization , inductive coupling , medicinal chemistry , condensed matter physics , organic chemistry , catalysis , physics , polymer , radical polymerization , engineering , electrical engineering , copolymer
The synthesis, crystal structure and magnetic properties of the non‐transition metals; Cd(II), Zn(II), Hg(II), Mg(II) and the transition metals; Co(II), Ni(II), Cu(II) complexes with 2‐(4‐pyridyl)‐4,4,5,5‐tetra‐methylimidazolinyl‐l‐oxy‐3‐oxide (NITpPy) are presented. The compounds of free radical NITpPy, HgCl 2 (NITpPy), and Zn(acac) 2 (NITpPy) crystallize in the same monoclinic system of space group C2/c. The magnetic properties of the temperature‐dependent magnetic susceptibility of NITpPy and its metal complexes are discussed according to the Heisenberg model. A weak ferromagnetic coupling in NITpPy and a weak antiferromagnetic coupling in the metal complexes have been revealed.

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