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Media type:
E-Article
Title:
Iron(II), Cobalt(II), and Nickel(II) Complexes of a Cyclic (Alkyl)(amino)carbene
Contributor:
Pelties, Stefan;
Wolf, Robert
Published:
Wiley, 2013
Published in:
Zeitschrift für anorganische und allgemeine Chemie, 639 (2013) 14, Seite 2581-2585
Language:
English
DOI:
10.1002/zaac.201300395
ISSN:
0044-2313;
1521-3749
Origination:
Footnote:
Description:
Abstract Reactions of a sterically demanding cyclic (alkyl)(amino)carbene (CAAC) with FeCl2(thf)1.5, CoBr2, and NiBr2(dme) afforded the complexes [FeCl(μ‐Cl)(CAAC)]2 (1), [CoBr(μ‐Br)(CAAC)]2 (2), and [NiBr(μ‐Br)(CAAC)]2 (3) in moderate yields. Compounds 1–3 were characterized by X‐ray crystallography, 1H NMR, and UV/Vis spectroscopy. Dimeric, halide‐bridged structures were observed in the solid state, in which the metal atoms are coordinated in a distorted tetrahedral fashion by the CAAC and three halide ligands. The solution magnetic moments in THF and dichloromethane indicate a high‐spin electronic configuration.