A rectangular Ni-Fe cluster with unusual cyanide bridges

A rectangular Ni-Fe cluster with unusual cyanide bridges

An asymmetric polycyanide iron complex, K(2)[Fe(III)(L1)(CN)(4)](MeOH) (HL1 = 2,2'-(1H-pyrazole-3,5-diyl)bis-pyridine), was synthesized and its complexation compatibility with nickel ions was examined. Two kinds of enantiomeric nickel-iron squares were obtained in the presence of a chiral biden...

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Veröffentlicht in:Dalton transactions : an international journal of inorganic chemistry 2012-01, Vol.41 (37), p.11270-11272
Hauptverfasser: Krüger, Christoph, Sato, Hiroki, Matsumoto, Takuto, Shiga, Takuya, Newton, Graham N, Renz, Franz, Oshio, Hiroki
Format: Artikel
Sprache:eng
Schlagworte:
Asymmetry
Bridges (structures)
Capping
Complexation
Cyanides
Iron
Ligands
Nickel
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Zusammenfassung:An asymmetric polycyanide iron complex, K(2)[Fe(III)(L1)(CN)(4)](MeOH) (HL1 = 2,2'-(1H-pyrazole-3,5-diyl)bis-pyridine), was synthesized and its complexation compatibility with nickel ions was examined. Two kinds of enantiomeric nickel-iron squares were obtained in the presence of a chiral bidentate capping ligand. The compounds display unusual cyanide bridge geometry and have ferromagnetic interactions between nickel and iron ions.
ISSN:1477-9226
1477-9234
DOI:10.1039/c2dt31152f