Probing London Dispersion in Proton-Bound Onium Ions: Are Alkyl–Alkyl Steric Interactions Reliably Modeled? - Vladimir Gorbachev; Adélaïde Savoy; Alexandra Tsybizova; Robert Pollice; Lara van Tetering; Jonathan Martens; Jos Oomens; Giel Berden; Peter Chen (Journal of the American Chemical Society, 2025)