FeO2F crystallizes in the monoclinic C2/c space group. Fe(1) is bonded to four equivalent O(1) and two equivalent F(1) atoms to form corner-sharing FeO4F2 octahedra. The corner-sharing octahedral tilt angles range from 13-65°. O(1) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Fe(1) and one O(1) atom. F(1) is bonded in a linear geometry to two equivalent Fe(1) atoms.
FeO2F crystallizes in the monoclinic C2/c space group. Fe(1) is bonded to four equivalent O(1) and two equivalent F(1) atoms to form corner-sharing FeO4F2 octahedra. The corner-sharing octahedral tilt angles range from 13-65°. There are two shorter (2.04 Å) and two longer (2.05 Å) Fe(1)-O(1) bond lengths. Both Fe(1)-F(1) bond lengths are 1.98 Å. O(1) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Fe(1) and one O(1) atom. The O(1)-O(1) bond length is 1.45 Å. F(1) is bonded in a linear geometry to two equivalent Fe(1) atoms.