Premium
Synthesis, Structure, and Magnetic Properties of a 2,2‐Dipyridyl‐2,5‐dihydro‐imidazole‐1‐oxyl‐(L‐)Bridged Disilver Complex [Ag 2 L 2 ](SbF 6 ) 2 : A Four‐Membered Ring from two Ag(I) Ions and two Imine Nitrogen Atoms
Author(s) -
Hintermaier Frank,
Mihan Shahram,
Gerdan Michael,
Schünemann Volker,
Trautwein Alfred,
Beck Wolfgang
Publication year - 1996
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19961290515
Subject(s) - chemistry , imidazole , imine , radical , crystallography , ring (chemistry) , ion , nitroxide mediated radical polymerization , nitrogen , x ray crystallography , stereochemistry , medicinal chemistry , diffraction , organic chemistry , catalysis , monomer , polymer , radical polymerization , physics , optics
The reaction of 2,5‐dihydro‐4,5,5‐trimethyl‐2,2‐di‐2‐pyridyl‐imidazole‐1‐oxyl ( L ) with AgSbF 6 gives the complex [Ag 2 L 2 ] 2+ [SbF 6 – ] 2 which was characterized by X‐ray diffraction. – The complex (a biradical) forms a four‐membered ring with two Ag(I) ions and two imine nitrogen atoms of the imidazolines with a relatively short Ag – Ag distance [2.839(2) Å]. Magnetic measurements indicate that two nitroxide radicals are slightly coupled.