Synthesis, Characterization and Molecular Structures of Yttrium Trifluoroacetate Complexes with O‐ and N‐Donors: Complexation vs. Hydrolysis
Identifieur interne : 000251 ( France/Analysis ); précédent : 000250; suivant : 000252Synthesis, Characterization and Molecular Structures of Yttrium Trifluoroacetate Complexes with O‐ and N‐Donors: Complexation vs. Hydrolysis
Auteurs : Jianyong Zhang ; Stéphanie Morlens ; Liliane G. Hubert-Pfalzgraf [France] ; Dominique Luneau [France]Source :
- European Journal of Inorganic Chemistry [ 1434-1948 ] ; 2005-10.
English descriptors
- Teeft :
- Absorption bands, Adduct, Anhydrous, Bond lengths, Calcd, Chem, Colorless crystals, Coordination sphere, Dalton trans, Derivative, Equivalent atoms, Etoh, Full paper, Gmbh, Hydroxonium cation, Hygroscopic, Inorg, Kgaa, Ligand, Methyl orthoformate, Mmol, Molecular structure, Primary amines, Refluxing, Refluxing toluene, Room temp, Soluble, Standard deviations, Symmetry transformations, Thermal ellipsoids, Toluene, Trifluoroacetate, Trifluoroacetate ligands, Verlag, Verlag gmbh, Water molecules, Weinheim, Yttrium, Yttrium trifluoroacetate complexes.
Abstract
Dehydration and complexation reactions of [Y(TFA)3(H2O)3] (1; TFA = O2CCF3) were investigated with O‐ and N‐donor ligands in order to obtain suitable precursors for MOD (Metal Organic Deposition). Anhydrous adducts such as [Y2(μ,η2‐TFA)4(η1‐TFA)2(OHC2H4OiPr)4] (3), [Y2(μ,η2‐TFA)4(η1‐TFA)2(OHC2H4OC2H4OMe)2] (4), or [Y(TFA)3(triglyme)] (5) were isolated. The reactions with N‐donor ligands are more complex and afford mixed‐ligand derivatives such as [Y(TFA)3(H2O)2(LL)]m [LL = TMEDA (9), Me2NC2H4NMeC2H4NMe2 (10)] and, in the case of primary amines, yttrium oxohydroxo derivatives such as [H3O][Y3(μ3‐OH)(μ‐O)3(η1‐TFA)3(H2O)6(en)3] (6; en = NH2C2H4NH2). All complexes were characterized by elemental analysis, FT‐IR, and by single‐crystal X‐ray diffraction for 3, 4, and 6. All structurally characterized complexes contain on eight‐coordinate Y centers. Perfluorobutyrate and difluoroacetate derivatives were also prepared. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)
Url:
DOI: 10.1002/ejic.200500156
Affiliations:
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Anhydrous adducts such as [Y2(μ,η2‐TFA)4(η1‐TFA)2(OHC2H4OiPr)4] (3), [Y2(μ,η2‐TFA)4(η1‐TFA)2(OHC2H4OC2H4OMe)2] (4), or [Y(TFA)3(triglyme)] (5) were isolated. The reactions with N‐donor ligands are more complex and afford mixed‐ligand derivatives such as [Y(TFA)3(H2O)2(LL)]m [LL = TMEDA (9), Me2NC2H4NMeC2H4NMe2 (10)] and, in the case of primary amines, yttrium oxohydroxo derivatives such as [H3O][Y3(μ3‐OH)(μ‐O)3(η1‐TFA)3(H2O)6(en)3] (6; en = NH2C2H4NH2). All complexes were characterized by elemental analysis, FT‐IR, and by single‐crystal X‐ray diffraction for 3, 4, and 6. All structurally characterized complexes contain on eight‐coordinate Y centers. Perfluorobutyrate and difluoroacetate derivatives were also prepared. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Rhône-Alpes</li></region><settlement><li>Villeurbanne cédex</li></settlement></list><tree><noCountry><name sortKey="Morlens, Stephanie" sort="Morlens, Stephanie" uniqKey="Morlens S" first="Stéphanie" last="Morlens">Stéphanie Morlens</name><name sortKey="Zhang, Jianyong" sort="Zhang, Jianyong" uniqKey="Zhang J" first="Jianyong" last="Zhang">Jianyong Zhang</name></noCountry><country name="France"><noRegion><name sortKey="Hubert Falzgraf, Liliane G" sort="Hubert Falzgraf, Liliane G" uniqKey="Hubert Falzgraf L" first="Liliane G." last="Hubert-Pfalzgraf">Liliane G. Hubert-Pfalzgraf</name></noRegion><name sortKey="Luneau, Dominique" sort="Luneau, Dominique" uniqKey="Luneau D" first="Dominique" last="Luneau">Dominique Luneau</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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