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 1367 5 |
| Ultima descărcare din IBN: 2023-06-06 14:35 |
 SM ISO690:2012ŞOVA, Sergiu, LAZARESCU, Ana, GDANIEC, Maria, SIMONOV, Iurii, TURTĂ, Constantin. Mixed-ligands μ3-oxo trinuclear carboxylates [Fe3O(CH2BrCOO)1.5(CH2ClCOO)4.5(H2O)3]Br0.75Cl0.25 5H2O and [Fe3O(BrCH2COO)6(H2O)3]
NO3⋅2.63H2O. In: Chemistry Journal of Moldova, 2008, nr. 2(3), pp. 86-94. ISSN 1857-1727. |
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| Chemistry Journal of Moldova | ||||||
| Numărul 2(3) / 2008 / ISSN 1857-1727 /ISSNe 2345-1688 | ||||||
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| Pag. 86-94 | ||||||
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Two novel μ3-oxo-centered carboxylate-bridged triiron complexes [Fe3O(BrCH2COO)6(H2O)3]NO3·2.63H2O (1) and [Fe3O (CH2BrCOO)1.(CH2ClCOO)4.5(H2O)3]Br0.75Cl0.25 5H2O (2) were synthesized and their structures were characterized by X-ray crystallography. The opportunity of mixed-ligand complex formation in iron(III)-bromoacetic acid system was shown. The first co-ordination sphere of the iron atom in compound 2 includes two different carboxylate anions, CH2BrCOO- and CH2ClCOO- in the capacity of syn-syn- bidentate-bridged ligands, while Br- and Cl- anions being in the ratio 1:1, formulate the external sphere of the complex. The IR spectra, thermic analysis and magnetic properties of complexes were studied.
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| Cuvinte-cheie mixed-ligands complexes; Iron(III) carboxylates; crystal structure, magnetic properties |
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