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Exchange Interaction of a Novel Heterospin Polynuclear Complex Containing Transition Metals and Imino Nitroxide Radicals: {[(CuL)Nid (IM‐2Py) 2 ] (C10 4 ) 2 } 2 ·2H 2 O
Author(s) -
ZhiLiang Liu,
LiCun Li,
DaiZheng Liao,
ZongHui Jiang,
ShiPing Yan
Publication year - 2003
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.20030210210
Subject(s) - chemistry , nitroxide mediated radical polymerization , crystallography , transition metal , exchange interaction , crystal structure , radical , coupling constant , diffraction , coupling (piping) , x ray crystallography , stereochemistry , ferromagnetism , condensed matter physics , organic chemistry , monomer , polymer , mechanical engineering , physics , radical polymerization , particle physics , engineering , optics , catalysis
A novel heterospin complex {[(CuL) Ni(IM‐2Py) 2 ] (ClO 4 ) 2 } 2 · 2H 2 O (L = 2,3‐dioxo‐5,6:14, 15‐dibenzo‐1,4,8,12‐tetraazacyclo‐pentadeca 7, 12‐diene, IM‐2Py = 2‐(2′‐pyridyl)‐4, 4, 5, 5‐tetramethyl‐4, 5‐dihydro‐1H‐imidazoline‐1‐oxyl) has been synthesized and its crystal structure was determined by X‐ray diffraction analysis. In order to interpret the exchange interaction of tins asymmetric heterospin system, a theoretical model has been established. Using this theoretical model the magnetic susceptibility data have been fitted and lead to coupling constant values equal to 1.4 cm −1 (Ni‐Rad) and‐38.0 cm −1 (Ni‐Cu), respectively.
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