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Journal Articles Chemistry - A European Journal Year : 2016

Alkaline Earth-Olefin Complexes with Secondary Interactions

Abstract

Strontium and calcium (alkaline earth: Ae) olefin complexes stabilised by secondary Ae⋅⋅⋅F-C and β-agostic Ae⋅⋅⋅H-Si interactions are presented. Olefin coordination onto the alkaline earths is plain in the solid state, and it is thermodynamically favoured over the coordination of THF. The existence of the Ae⋅⋅⋅olefin interactions is corroborated by solution NMR data and DFT computations. The coordination mode of the olefin varies with steric effects and, if enforced, olefin dissociation can be compensated by the other non-covalent interactions, as supported by DFT computations.

Dates and versions

hal-01290444 , version 1 (18-03-2016)

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Cite

Sorin-Claudiu Roşca, Chiara Dinoi, Elsa Caytan, Vincent Dorcet, Michel Etienne, et al.. Alkaline Earth-Olefin Complexes with Secondary Interactions. Chemistry - A European Journal, 2016, 22 (19), pp.6505-6509. ⟨10.1002/chem.201601096⟩. ⟨hal-01290444⟩
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