1994
DOI: 10.1002/zaac.19946200713
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Dimere low‐spin Eisen(III)‐Phthalocyanine: Synthese und Eigenschaften ferromagnetisch gekoppelter μ‐Oxodi(acidophthalocyaninatoferrate(III))

Abstract: In Pyridin gelöstes μ‐Oxodi(phthalocyaninatoeisen(III))([(FePc2−)2O]) reagiert mit verschiedenen Tetra(n‐butyl)ammoniumsalzen unter Bildung von teilweise solvathaltigen Di(tetra(n‐butyl)ammonium)‐μ‐oxodi(acidophthalocyaninatoferraten(III)) ((nBu4N)2[(Fe(X)Pc2−)2O]; X− = CN−, Im−, NCO−, NCS−, NO2−). In den UV‐Vis‐Spektren heben sich die für den Pc2−‐Liganden typischen B‐, Q‐, N‐ und L‐Regionen, wenig vom axialen Liganden X beeinflußt, deutlich heraus. Wegen der starken Excitonen‐Kopplung (> 3 kK) ist insbesonde… Show more

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Cited by 17 publications
(11 citation statements)
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“…Mössbauer spectra were measured and fitted by Associate Professor J. D. Cashion, Department of Physics, Monash University using equipment described previously. 40…”
Section: Physical Measurementsmentioning
confidence: 99%
“…Mössbauer spectra were measured and fitted by Associate Professor J. D. Cashion, Department of Physics, Monash University using equipment described previously. 40…”
Section: Physical Measurementsmentioning
confidence: 99%
“…11b,14 Undoubtedly, the achieved results in this area allowed characterization of new interesting dinuclear µ-N ditetrapyrrolic species, and the formation of stable complexes involving Fe centers in a high oxidation state (>3; i.e., Fe III1/2 and Fe IV ) has often been observed. The presence of Cr atoms in the formation of µ-X-bridged dinuclear species is rare in general, 1 16,17 (Y ) anions, n ) -2; 16 Y ) pyridine, n ) 0 17 ) were reported, but there appears to be so far only one µ-oxo Cr-Fe homoleptic porphyrin species, [(TPP)Fe-O-Cr(TPP)(pip)] with the structure fully elucidated by X-ray work. 18 No examples have appeared in the literature of µ-nitrido-bridged dinuclear species incorporating Cr as a metal center, with the exception of the cationic heterobimetallic diporphyrin species [(OEP)Re-N-Cr(TPP)] + , postulated as an intermediate in N-atom-transfer reactions from (OEP)ReN.…”
Section: Introductionmentioning
confidence: 99%
“…24 The same effect was also observed during the formation of six-coordinate dimers of Fe(III)-octaphenylporphyrazine. First, axial water molecules under acidic environment can be protonated and removed from the coordination sphere, which may lead to the formation of a five-coordinated μ-oxo-dimer (Reaction (4)).…”
Section: Stability In Aqueous Solutionsmentioning
confidence: 58%