Proton-detected fast-magic-angle spinning NMR of paramagnetic inorganic solids

Jan Blahut; Ladislav Benda; Arthur L. Lejeune; Kevin J. Sanders; Benjamin Burcher; Erwann Jeanneau; David Proriol; Leonor Catita; Pierre-Alain R. Breuil; Anne-Agathe Quoineaud; Andrew J. Pell; Guido Pintacuda

doi:10.1039/D1RA04110J

Proton-detected fast-magic-angle spinning NMR of paramagnetic inorganic solids†

Jan Blahut,

^a Ladislav Benda,

^a Arthur L. Lejeune,

^ab Kevin J. Sanders,^a Benjamin Burcher,^b Erwann Jeanneau,

^c David Proriol,

^b Leonor Catita,^b Pierre-Alain R. Breuil,

^b Anne-Agathe Quoineaud,^b Andrew J. Pell

^ad and Guido Pintacuda

*^a

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* Corresponding authors

^a Université de Lyon, Centre de RMN à Très Hauts Champs de Lyon (UMR 5082 – CNRS, ENS Lyon, UCB Lyon 1), 5 rue de la Doua, 69100 Villeurbanne, France
E-mail: guido.pintacuda@ens-lyon.fr

^b IFP Energies Nouvelles, Rond-point de l'échangeur de Solaize, 69360 Solaize, France

^c Université de Lyon, Centre de Diffractométrie Henri Longchambon (UCB Lyon 1), 5 rue de la Doua, 69100 Villeurbanne, France

^d Stockholm University, Department of Materials and Environmental Chemistry, Svante Arrhenius väg 16C, SE-106 91 Stockholm, Sweden

Abstract

Fast (60 kHz) magic angle spinning solid-state NMR allows very sensitive proton detection in highly paramagnetic organometallic powders. We showcase this technique with the complete assignment of ¹H and ¹³C resonances in a high-spin Fe(II) polymerisation catalyst with less than 2 mg of sample at natural abundance.

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Proton-detected fast-magic-angle spinning NMR of paramagnetic inorganic solids†

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Proton-detected fast-magic-angle spinning NMR of paramagnetic inorganic solids

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