Evidence for Methylaluminoxane (MAO) Molecular Structure and Reactivity from Ultrahigh Magnetic Field 27Al MAS NMR Spectroscopy Combined with DFT Calculations. - Szeto, Kai; Taoufik, Mostafa; Fayon, Franck; Gajan, David; Zurek, Eva; Autschbach, Jochen; Trébosc, Julien; Delevoye, Laurent; Gauvin, Régis M. (Angewandte Chemie, 2025)