Reversible Core-Interconversion of an Iron(III) Dihydroxo Bridged Complex

Reversible Core-Interconversion of an Iron(III) Dihydroxo Bridged Complex

Complexes [Fe(Hhbi)2(NO3)]·2EtOH (1·2EtOH) and [Fe2(μ-OH)2(Hhbi)4]·2H2O·8EtOH (2·2H2O·8EtOH) crystallize in the orthorhombic Fdd2 and P42212 space groups, respectively (Hhbi− = the monoanion of 2-(2′-hydroxyphenyl benzimidazole). Complex 1 exhibits paramagnetic relaxation as evidenced by Mössbauer...

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Veröffentlicht in:Inorganic chemistry 2008-12, Vol.47 (23), p.11314-11323
Hauptverfasser: Boudalis, Athanassios K, Clemente-Juan, Juan Modesto, Dahan, Françoise, Psycharis, Vassilis, Raptopoulou, Catherine P, Donnadieu, Bruno, Sanakis, Yiannis, Tuchagues, Jean-Pierre
Format: Artikel
Sprache:eng
Schlagworte:
Benzimidazoles - chemistry
Crystallography, X-Ray
Electron Spin Resonance Spectroscopy
Iron - chemistry
Magnetics
Organometallic Compounds - chemistry
Spectrophotometry, Infrared
Spectroscopy, Mossbauer
Thermogravimetry
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Zusammenfassung:Complexes [Fe(Hhbi)2(NO3)]·2EtOH (1·2EtOH) and [Fe2(μ-OH)2(Hhbi)4]·2H2O·8EtOH (2·2H2O·8EtOH) crystallize in the orthorhombic Fdd2 and P42212 space groups, respectively (Hhbi− = the monoanion of 2-(2′-hydroxyphenyl benzimidazole). Complex 1 exhibits paramagnetic relaxation as evidenced by Mössbauer spectroscopy, and significant axial zero-field splitting (1.5 cm1
ISSN:0020-1669
1520-510X
DOI:10.1021/ic800716r