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Title: | Coordination of LiH Molecules to Mo Mo Bonds: Experimental and Computational Studies on Mo2LiH2, Mo2Li2H4, and Mo6Li9H18 Clusters |
Author: | Pérez Jiménez, Marina Curado, Natalia Maya, Celia Campos, Jesús Jover Modrego, Jesús Álvarez, Santiago (Álvarez Reverter) Carmona Guzmán, Ernesto |
Keywords: | Anions Liti Lligands Anions Lithium Ligands |
Issue Date: | 7-Apr-2021 |
Publisher: | American Chemical Society |
Abstract: | The reactions of LiAlH4 as the source of LiH with complexes that contain (H)Mo≣Mo and (H)Mo≣Mo(H) cores stabilized by the coordination of bulky AdDipp2 ligands result in the respective coordination of one and two molecules of (thf)LiH, with the generation of complexes exhibiting one and two HLi(thf)H ligands extending across the Mo≣Mo bond (AdDipp2 = HC(NDipp)2; Dipp = 2,6-iPr2C6H3; thf = tetrahydrofuran, C4H8O). A theoretical study reveals the formation of Mo-H-Li three-center-two-electron bonds, supplemented by the coordination of the Mo≣Mo bond to the Li ion. Attempts to construct a [Mo2{HLi(thf)H}3(AdDipp2)] molecular architecture led to spontaneous trimerization and the formation of a chiral, hydride-rich Mo6Li9H18 supramolecular organization that is robust enough to withstand the substitution of lithium-solvating molecules of tetrahydrofuran by pyridine or 4-dimethylaminopyridine. |
Note: | Versió postprint del document publicat a: https://doi.org/10.1021/jacs.1c01602 |
It is part of: | Journal of the American Chemical Society, 2021, vol. 143, num. 13, p. 5222-5230 |
URI: | http://hdl.handle.net/2445/185090 |
Related resource: | https://doi.org/10.1021/jacs.1c01602 |
ISSN: | 0002-7863 |
Appears in Collections: | Articles publicats en revistes (Química Inorgànica i Orgànica) |
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