State Key Laboratory of Elemento-Organic Chemistry;
College of Chemistry;
Nankai University;
Tianjin 300071;
China;
Key Laboratory of Organofluorine Chemistry;
Shanghai Institute of Organic Chemistry;
University of Chinese Academy of Sciences;
Chinese Academy of Sciences;
Shanghai 200032;
China;
Center of Basic Molecular Science;
Department of Chemistry;
Tsinghua University;
Beijing 100084;
China;
Nucleophilic monofluoromethylation; Fluoroalkylation reagent; DFT calculations; Thermodynamic effect; Lone pair repulsion;