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2012 | 10 | 4 | 1079-1086
Tytuł artykułu

New iron-cobalt clusters with silicon-containing dicarboxylic acids

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
For the first time, silicon-containing dicarboxylic acids were used to prepare two new heterotrinuclear carboxylates of the composition [Fe2IIICoIIO(Bcpdps)3(H2O)3], I, where H2Bcpdps ≡ HOOC-C6H4-Si(C6H5)2-C6H4COOH, and [Fe2IIICoIIO(Ipds)3(H2O)3], II, where H2Ipds ≡ [HOOC-C6H3(CO)2N-(CH2)3-(CH3)2Si]2O. The precursor for these two complexes was trinuclear µ3-oxo-hexaacetate triaqua diiron(III)cobalt(II) cluster, {Fe 2 CoO}, in which the acetate anions were subsequently substituted by silicon-containing dianions. The resulting products were characterized by elemental analysis, thermogravimetry, Fourier Transform Infrared (FTIR), Energy-Dispersive X-ray Fluorescence (EDXRF), and Mossbauer spectroscopies (MS). The investigation by MS revealed the presence of the iron(3+) ions in high spin state and having the close environment. Thermogravimetric analysis results indicated an improving in the thermal stability by replacing acetate anions with silicon-containing carboxyl ligands. This widens the temperature range in which such compounds can be used in practical applications. [...]
Wydawca

Czasopismo
Rocznik
Tom
10
Numer
4
Strony
1079-1086
Opis fizyczny
Daty
wydano
2012-08-01
online
2012-05-29
Twórcy
autor
  • “Petru Poni” Institute of Macromolecular Chemistry, Iasi, 700487, Romania, mcazacu@icmpp.ro
  • “Petru Poni” Institute of Macromolecular Chemistry, Iasi, 700487, Romania
  • Department of Chemical Engineering, “Gh. Asachi” Technical University Iasi, Iasi, 700050, Romania
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-012-0022-5
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