Materials Data on RhF3 by Materials Project
RhF3 crystallizes in the trigonal P321 space group. The structure is three-dimensional. there are two inequivalent Rh3+ sites. In the first Rh3+ site, Rh3+ is bonded to six F1- atoms to form corner-sharing RhF6 octahedra. The corner-sharing octahedral tilt angles are 45°. There are three shorter (1.98 Å) and three longer (2.02 Å) Rh–F bond lengths. In the second Rh3+ site, Rh3+ is bonded to six equivalent F1- atoms to form distorted corner-sharing RhF6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 38°. All Rh–F bond lengths are 2.06 Å. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two Rh3+ atoms. In the second F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two equivalent Rh3+ atoms.