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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.
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Contributor : Laurent Jonchère <>
Submitted on : Friday, March 18, 2016 - 10:41:46 AM
Last modification on : Tuesday, May 4, 2021 - 3:40:12 PM

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



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