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Neutral diiron(III) complexes with Fe-2(mu-E)(2) (E = O, S, Se) core structures: reactivity of an iron(I) dimer towards chalcogens

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Title Neutral diiron(III) complexes with Fe-2(mu-E)(2) (E = O, S, Se) core structures: reactivity of an iron(I) dimer towards chalcogens
 
Creator FOHLMEISTER, L
VIGNESH, KR
WINTER, F
MOUBARAKI, B
RAJARAMAN, G
POTTGEN, R
MURRAY, KS
JONES, C
 
Subject EXCHANGE COUPLING-CONSTANTS
TRANSITION-METAL-COMPLEXES
GAUSSIAN-BASIS SETS
SPIN GROUND-STATE
2FE-2S CLUSTER
METHANE MONOOXYGENASE
MAGNETIC-PROPERTIES
ESCHERICHIA-COLI
INTERMEDIATE X
DIAMOND CORE
 
Description Three neutral bis(mu-chalcogenido) diiron(III) complexes, [{(N, N'-Pipiso) Fe(mu-E)}(2)] (Pipiso-= [(DipN)(2)C(cis-2,6-Me2NC5H8)](-), (Dip = C6H3Pr2i-2,6; E = O, S or Se) have been prepared by reactions of the iron(I) dimer [{(mu-N, N'-Pipiso)Fe}(2)] with O-2, S-8 or Se-infinity. Treating the mu-selenido compound [{(N, N'-Pipiso) Fe( mu-Se)}(2)] with O-2 cleanly generated its mu-oxo counterpart, [{(N, N'-Pipiso) Fe(mu-O)}(2)]. X-ray crystallographic analyses of the compounds showed them to possess Fe-2(mu-E)(2) core structures with distorted square planar (E = O) or tetrahedral (E = S or Se) iron coordination geometries. Magnetic, Fe-57 Mossbauer spectroscopic and computational studies indicate medium to strong antiferromagnetic coupling between the two high-spin Fe-III ions in all three compounds.
 
Publisher ROYAL SOC CHEMISTRY
 
Date 2016-01-15T06:48:01Z
2016-01-15T06:48:01Z
2015
 
Type Article
 
Identifier DALTON TRANSACTIONS, 44(4)1700-1708
1477-9226
1477-9234
http://dx.doi.org/10.1039/c4dt03081h
http://dspace.library.iitb.ac.in/jspui/handle/100/17971
 
Language en