Cuboidal Mo3S4 and Mo3NiS4 Complexes Bearing Dithiophosphates and Chiral Carboxylate Ligands: Synthesis, Crystal Structure and Fluxionality
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Otros documentos de la autoría: Hernández Molina, Rita; González Platas, Javier; Kovalenko, Konstantin A.; Sokolov, Maxim; Llusar, Rosa; Vicent Barrera, Cristian
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7013
comunitat-uji-handle3:10234/8638
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Metadatos
Título
Cuboidal Mo3S4 and Mo3NiS4 Complexes Bearing Dithiophosphates and Chiral Carboxylate Ligands: Synthesis, Crystal Structure and FluxionalityAutoría
Fecha de publicación
2011-02Editor
WileyTipo de documento
info:eu-repo/semantics/articleVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Clusters | Phosporus | Molybdenum | Nickel | X-ray diffraction | NMR spectroscopy | Clusters (Chimie) | Metals | X-Ray diffraction | Spectroscopy | Clusters | Fòsfor | Molibdé | nÍquel | Raigs X - Difracció | Espectroscòpia
Resumen
New triangular Mo and W cluster complexes incorporating (S)-lactic acid (HLac), [Mo3S4(μ-Lac)(dtp)3(py)] (1) and [W3S4(μ-Lac)(dtp)3(py)] (2), were prepared [dtp = (EtO)2PS2]. Analogous synthetic procedures were adapted ... [+]
New triangular Mo and W cluster complexes incorporating (S)-lactic acid (HLac), [Mo3S4(μ-Lac)(dtp)3(py)] (1) and [W3S4(μ-Lac)(dtp)3(py)] (2), were prepared [dtp = (EtO)2PS2]. Analogous synthetic procedures were adapted for the synthesis of cuboidal Mo3NiS4 to yield [Mo3(Nipy)S4(py)(μ-OAc)(dtp)3(py)] (3). The crystal structures of 1 and 3 were determined. A detailed variable-temperature 31P{1H} and 1H NMR study of compounds 1 and 3 indicated fluxional behaviour in non-coordinating solvents (CDCl3, CD2Cl2 and CDCl2CDCl2). A number of dynamic processes were identified involving the Mo–py site that include configuration inversion [(P) to (M)], hindered Mo–N rotation and pyridine exchange. Experiments with deuterated pyridine revealed a faster substitutional lability of Mo–py compared with Ni–py. [-]
Publicado en
European Journal of Inorganic Chemistry, 2011, February, n. 5, 2011, January, v. 3Derechos de acceso
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info:eu-repo/semantics/restrictedAccess
info:eu-repo/semantics/restrictedAccess
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