Bruno A. Piscelli, Michael Bühl, Rodrigo A. Cormanich, David O'Hagan. "On the Nature of Improper Hydrogen Bonding in RCH
                    <sub>2</sub>
                    F and RCHF
                    <sub>2</sub>
                    Motifs." Angewandte Chemie International Edition, 2026. doi:10.1002/anie.202518500