John W. Banks, Andrei S. Batsanov, Judith A. K. Howard, David O’Hagan, Henry S. Rzepa and Sonsoles Martin-Santamaria
X-Ray structures of two α-fluoroamide derivatives show the O
C–C–F moiety tending towards a trans planar conformation, for which ab initio calculations suggest a deep (up to 8 kcal mol–1) potential minimum.