Crystal structure of (μ-oxo)bis{aquatris(2-pyridylmethyl)amine}iron(III) perchlorate

Bruce R. Whittlesey; Zhen Pang; Robert A. Holwerda

doi:10.1016/S0020-1693(98)00273-4

Crystal structure of (μ-oxo)bis{aquatris(2-pyridylmethyl)amine}iron(III) perchlorate

Bruce R. Whittlesey, Zhen Pang, Robert A. Holwerda

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

The complex [{Fe(tmpa)(H₂O)}₂O](ClO₄) ₄·3H₂O·0.25C₂H₅OH contains a near-linear, dinuclear cation (FeOFe ∠=176.1(5)°) with average Fe-μ-O^2- (1.783(7) Å), Fe-apical N (2.244(11) Å), Fe-pyridyl N (2.125(10) Å) and Fe-O(aqua) (2.082(8) Å) bond lengths that are essentially identical for the two iron centers. Both tmpa apical nitrogen atoms are trans to the oxo bridge, in contrast to the unsymmetric structure of [(OH)(tmpa)FeOFe(tmpa)(H₂O)]³⁺, for which one apical N atom is trans to the μ-O^2- group while the other is trans to the hydroxo ligand.

Original language	English
Pages (from-to)	124-126
Number of pages	3
Journal	Inorganica Chimica Acta
Volume	284
Issue number	1
DOIs	https://doi.org/10.1016/S0020-1693(98)00273-4
State	Published - Jan 15 1999

Keywords

Amine complexes
Crystal structures
Dinuclear complexes
Iron complexes
Oxo-bridged complexes

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@article{d72f2b06e46146239251801321a6a981,

title = "Crystal structure of (μ-oxo)bis{aquatris(2-pyridylmethyl)amine}iron(III) perchlorate",

abstract = "The complex [{Fe(tmpa)(H2O)}2O](ClO4) 4·3H2O·0.25C2H5OH contains a near-linear, dinuclear cation (FeOFe ∠=176.1(5)°) with average Fe-μ-O2- (1.783(7) {\AA}), Fe-apical N (2.244(11) {\AA}), Fe-pyridyl N (2.125(10) {\AA}) and Fe-O(aqua) (2.082(8) {\AA}) bond lengths that are essentially identical for the two iron centers. Both tmpa apical nitrogen atoms are trans to the oxo bridge, in contrast to the unsymmetric structure of [(OH)(tmpa)FeOFe(tmpa)(H2O)]3+, for which one apical N atom is trans to the μ-O2- group while the other is trans to the hydroxo ligand.",

keywords = "Amine complexes, Crystal structures, Dinuclear complexes, Iron complexes, Oxo-bridged complexes",

author = "Whittlesey, {Bruce R.} and Zhen Pang and Holwerda, {Robert A.}",

year = "1999",

month = jan,

day = "15",

doi = "10.1016/S0020-1693(98)00273-4",

language = "English",

volume = "284",

pages = "124--126",

journal = "Inorganica Chimica Acta",

issn = "0020-1693",

number = "1",

}

TY - JOUR

T1 - Crystal structure of (μ-oxo)bis{aquatris(2-pyridylmethyl)amine}iron(III) perchlorate

AU - Whittlesey, Bruce R.

AU - Pang, Zhen

AU - Holwerda, Robert A.

PY - 1999/1/15

Y1 - 1999/1/15

N2 - The complex [{Fe(tmpa)(H2O)}2O](ClO4) 4·3H2O·0.25C2H5OH contains a near-linear, dinuclear cation (FeOFe ∠=176.1(5)°) with average Fe-μ-O2- (1.783(7) Å), Fe-apical N (2.244(11) Å), Fe-pyridyl N (2.125(10) Å) and Fe-O(aqua) (2.082(8) Å) bond lengths that are essentially identical for the two iron centers. Both tmpa apical nitrogen atoms are trans to the oxo bridge, in contrast to the unsymmetric structure of [(OH)(tmpa)FeOFe(tmpa)(H2O)]3+, for which one apical N atom is trans to the μ-O2- group while the other is trans to the hydroxo ligand.

AB - The complex [{Fe(tmpa)(H2O)}2O](ClO4) 4·3H2O·0.25C2H5OH contains a near-linear, dinuclear cation (FeOFe ∠=176.1(5)°) with average Fe-μ-O2- (1.783(7) Å), Fe-apical N (2.244(11) Å), Fe-pyridyl N (2.125(10) Å) and Fe-O(aqua) (2.082(8) Å) bond lengths that are essentially identical for the two iron centers. Both tmpa apical nitrogen atoms are trans to the oxo bridge, in contrast to the unsymmetric structure of [(OH)(tmpa)FeOFe(tmpa)(H2O)]3+, for which one apical N atom is trans to the μ-O2- group while the other is trans to the hydroxo ligand.

KW - Amine complexes

KW - Crystal structures

KW - Dinuclear complexes

KW - Iron complexes

KW - Oxo-bridged complexes

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U2 - 10.1016/S0020-1693(98)00273-4

DO - 10.1016/S0020-1693(98)00273-4

M3 - Article

AN - SCOPUS:0011395346

VL - 284

SP - 124

EP - 126

JO - Inorganica Chimica Acta

JF - Inorganica Chimica Acta

SN - 0020-1693

IS - 1

ER -