Synthesis, Structure, Gas-Phase Reactivity, and Catalytic Relevance of Trinuclear Mo3S4 Clusters Bearing Terminal Hydroxo and Hydrosulfido Groups
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Otros documentos de la autoría: Beltrán Álvarez, Tomás Francisco; Feliz Rodríguez, Marta; Llusar, Rosa; Safont Villarreal, Vicent Sixte; Vicent Barrera, Cristian
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http://dx.doi.org/10.1002/ejic.201300890 |
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Título
Synthesis, Structure, Gas-Phase Reactivity, and Catalytic Relevance of Trinuclear Mo3S4 Clusters Bearing Terminal Hydroxo and Hydrosulfido GroupsAutoría
Fecha de publicación
2013-11Editor
WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimISSN
1099-0682Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://onlinelibrary.wiley.com/doi/10.1002/ejic.201300890/abstractVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Molybdenum(IV) hydroxo [Mo3S4(dmpe)3(OH)3]+ (1+) and hydrosulfido [Mo3S4(dmpe)3(SH)3]+ (2+) [dmpe = 1,2-bis(dimethylphosphanyl)ethane] trimetallic cuboidal cluster complexes have been isolated in high yields by treating ... [+]
Molybdenum(IV) hydroxo [Mo3S4(dmpe)3(OH)3]+ (1+) and hydrosulfido [Mo3S4(dmpe)3(SH)3]+ (2+) [dmpe = 1,2-bis(dimethylphosphanyl)ethane] trimetallic cuboidal cluster complexes have been isolated in high yields by treating their chloride precursors with sodium hydroxide or sodium hydrosulfide, respectively. The crystal structures of [1]BPh4 and [2]PF6 confirm that –QH (Q = O, S) groups are coordinated to metal centers. Both hydroxo and hydrosulfido Mo3S4 cluster complexes are fully characterized by spectroscopic, mass spectrometric, and X-ray techniques. A comparative study of the gas-phase dissociation of 1+ and 2+ cations using ESI tandem mass spectrometry is presented, and the results are compared with those already reported for the hydroxo tungsten analogue. The gas-phase reactivity of 1+ and 2+ species towards ethanol and 1-penthanethiol have been explored. The gas-phase-generated [Mo3S4(dmpe)2(O)(OH)]+ cation activates ethanol molecules through a similar mechanism to that proposed for its tungsten congener. The main differences in aldehyde elimination under collision-induced dissociation (CID) conditions between molybdenum and tungsten cluster sulfides are discussed. [-]
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European Journal of Inorganic Chemistry (2013), 33, p. 5797–5805Derechos de acceso
Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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