Formation of a novel tetranuclear iron(III) complex with a µ4-PO4 bridge from 4-nitrophenyl phosphate

A novel tetranuclear iron(III) complex, [{Fe2(tren)2(µ-O)}2(µ4-PO4)][ClO4]5·2.5H2O 1 [tren = tris(2-aminoethyl)amine], is synthesized; X-ray crystal structure analysis reveals that 1 contains a tetranuclear cation in which the iron atoms are linked by a µ4-PO43– bridge, which is a hydrolytic product from 4-nitrophenyl phosphate.

[1]  H. Nöth,et al.  Molecular Self‐Assembly to Give the Antiferromagnetic Cage Compound [{CpFe(CO)2(Mes)PO2}4{MesPO3Fe2(OH)Cl}2] , 1997 .

[2]  N. Arulsamy,et al.  Mononuclear Iron(II), Manganese(II), and Nickel(II) and Tetranuclear Iron(III) Complexes of a New Hexadentate Ligand , 1994 .

[3]  A. Powell,et al.  Polyiron(III) Oxyhydroxide Clusters: The Role of Iron(III) Hydrolysis and Mineralization in Nature , 1994 .

[4]  W. Haase,et al.  Synthesis, structure and magnetism of a tetranuclear Fe(III) complex containing an [Fe4(μ3-O)2]8+ core , 1993 .

[5]  V. Lynch,et al.  Oxo-bridged iron clusters. Synthesis of 1,3-bis(1,4,7-triaza-1-cyclononyl)-2-hydroxypropane and its stabilization of the Fe4O6 core , 1993 .

[6]  V. Lynch,et al.  Structure and properties of a tetranuclear iron(III) cage complex. A model for hemerythrin , 1993 .

[7]  J. McCusker,et al.  Molecular spin frustration in the [Fe4O2]8+ core: synthesis, structure, and magnetochemistry of tetranuclear iron-oxo complex [Fe4O2(O2CR)7(bpy)2](C1O4) (R = Me, Ph) , 1991 .

[8]  V. Lynch,et al.  Synthesis and characterization of a tetranuclear iron(III) complex derived from a new m-xylyl-bridged tetraimidazole ligand , 1991 .

[9]  J. Vincent,et al.  Proteins Containing Oxo-Bridged Dinuclear Iron Centers: A Bioinorganic Perspective , 1990 .

[10]  V. Lynch,et al.  Model studies related to hemerythrin. Synthesis and characterization of a bridged tetranuclear iron(III) complex , 1990 .

[11]  K. Wieghardt,et al.  A new tetranuclear oxohydroxoiron(III) cluster: crystal structure, magnetic properties, and EXAFS investigation of [L4Fe4(.mu.-O)2(.mu.-OH)4]I4.cntdot.3H2O (L = 1,4,7-triazacyclononane) , 1989 .

[12]  D. Hendrickson,et al.  Magnetic exchange interactions in semiquinone complexes of iron: structural and magnetic properties of tris(3,5-di-tert-butylsemiquinonato)iron(III) and tetrakis(3,5-di-tert-butylsemiquinonato)tetrakis(3,5-di-tert-butylcatecholato)tetrairon(III) , 1989 .

[13]  L. Que,et al.  Iron-oxo aggregates. Binuclear and tetranuclear complexes of N,N,N',N'-tetrakis(2-benzimidazolylmethyl)-2-hydroxy-1,3-diaminopropane , 1988 .

[14]  S. Lippard.  Oxo‐Bridged Polyiron Centers in Biology and Chemistry , 1988 .

[15]  S. Lippard,et al.  Synthesis, structure, and characterization of the tetranuclear iron(III) oxo complex [Fe4O2(BICOH)2(BICO)2(O2CPh)4]Cl2 , 1988 .

[16]  L. Que,et al.  Iron-Oxo Aggregates: Crystal Structures and Solution Characterization of 2-Hydroxy- 1,3-xylylenediaminetetraacetic Acid Complexes , 1987 .

[17]  S. Lippard,et al.  Tetranuclear iron-oxo complexes. Synthesis, structure, and properties of species containing the nonplanar {Fe4O2}8+ core and seven bridging carboxylate ligands , 1987 .

[18]  H. Schugar,et al.  Molecular structure and magnetic properties of a novel Fe(III) tetranuclear complex containing oxo, alkoxo, and carbonato bridges , 1987 .

[19]  L. Atovmyan,et al.  Study of structure of tetranuclear cluster of Fe with fluoroacetic acid by means of Mössbauer spectroscopy and x-ray structure temperature analysis , 1985 .

[20]  Paul Brain Morre.  Octahedral tetramer in the crystal structure of leucophosphite, K2[Fe3+4(OH)2(H2O)2(PO4)4].2H2O. , 1972 .

[21]  P. Süsse.  The crystal structure of amarantite, Fe2(SO4)2O · 7H2O , 1968 .