The Preparation of Tris-2,2′-Bipyridyl-Iron(O) [Fe(bipy)3-]

Herzog, S.; Präkel, H.

doi:10.1007/978-3-7091-3650-8_81

Proceedings of the 8th International Conference on Coordination Chemistry 1964

DOI: 10.1007/978-3-7091-3650-8_81

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The Preparation of Tris-2,2′-Bipyridyl-Iron(O) [Fe(bipy)3-]

S. Herzog

H. Präkel

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1969

1994

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Cited by 2 publications

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“…On the other hand, non-cryptand but bipy-containing neutral species, [M(bpy),], where M=Fe, Os, and Ru, were first prepared and reported as early as 1964 [5]. The first published report appeared in 1966 for the system [Fe(bpy),] [6].…”

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[M(bpy)₃] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)₃](PF₆)₂

Pérez‐Cordero

Buigas

Brady

et al. 1994

Helvetica Chimica Acta

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Reductive electrocrystallization at a constant current density (1 1 .0-11.5 pA/cm2) of millimolar solutions of [ M (~~Y ) , ] ( P F~)~, where M = Fe, Ru, or Os, and bpy = 2,T-bipyridine in acetonitrile containing 0 . 1~ Bu4NPF, results in the formation of dark crystals on the Pt cathode. The crystals grow as long, thin, and shiny needles having a hexagonal cross section of 0.14.5 mm in diameter. 1.Introduction. -A recent article began by stating that 'tris(2,2'-bipyridine)ruthenium(II), Ru(bpy)?, has evolved from a quite esoteric complex ion of a rare platinum metal into an immensely popular, almost magic compound' [l]. We present here evidence of new crystalline materials derived from this molecule and the related species [Fe(bpy),12+ and [Os(bpy)J2+ which gives further support for this statement. Despite the multiple electrochemical [2] and photochemical [3] studies that have been performed with [Ru(bpy),]'+ for over two decades, there was no indication that these novel crystalline materials had been previously communicated.Part of the impetus behind the present work stemmed from our recent success in preparing the first crystalline CRYPTATIUM in 1991 ; a neutral, expanded-atom type species, structure 1, formed by the reductive electrocrystallization of sodium tris(2,2'-bipyridy1)cryptate [4a]. The overall interest in the electrochemical properties of similar macrobicycles, macrocycles, and even of carbon clusters was directed by the possibility of manipulating and transforming them into novel materials with unique properties [4b].The reduced complex 1 can be represented as [Na' c (bipy),], where (bipy), stands for the tris(2,2'-bipyridyl) cryptand, not for three isolated bpy groups. The X-ray structure of this CRYPTATIUM was solved and indicated that the extra unpaired electron that was added to the system upon electrocrystallization was localized in one of the three bipy units of the cryptand [4a].

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confidence: 99%

[M(bpy)₃] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)₃](PF₆)₂

Pérez‐Cordero

Buigas

Brady

et al. 1994

Helvetica Chimica Acta

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Polarographic behavior of the bis(2,2′,2″-terpyridine) iron(II) cation

Lovecchio

Pace

Macero

1969

Inorganica Chimica Acta

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The Preparation of Tris-2,2′-Bipyridyl-Iron(O) [Fe(bipy)3-]

Cited by 2 publications

References 9 publications

[M(bpy)₃] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)₃](PF₆)₂

[M(bpy)₃] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)₃](PF₆)₂

Polarographic behavior of the bis(2,2′,2″-terpyridine) iron(II) cation

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The Preparation of Tris-2,2′-Bipyridyl-Iron(O) [Fe(bipy)3-]

Cited by 2 publications

References 9 publications

[M(bpy)3] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)3](PF6)2

[M(bpy)3] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)3](PF6)2

Polarographic behavior of the bis(2,2′,2″-terpyridine) iron(II) cation

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Product

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[M(bpy)₃] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)₃](PF₆)₂

[M(bpy)₃] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)₃](PF₆)₂