Materials Data on Be3Bi(RhO2)9 by Materials Project

Abstract

Be3Bi(RhO2)9 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Be2+ is bonded in a trigonal planar geometry to three O2- atoms. All Be–O bond lengths are 1.55 Å. There are three inequivalent Rh3+ sites. In the first Rh3+ site, Rh3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedra tilt angles range from 58–59°. There are a spread of Rh–O bond distances ranging from 2.04–2.12 Å. In the second Rh3+ site, Rh3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedra tilt angles range from 58–62°. There are a spread of Rh–O bond distances ranging from 2.03–2.12 Å. In the third Rh3+ site, Rh3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedra tilt angles range from 58–62°. There are a spread of Rh–O bond distances ranging from 2.04–2.13 Å. Bi3+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of Bi–O bond distances ranging from 2.34–2.70 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to three Rh3+ and one Bi3+ atom. In the second O2- site, O2- is bonded to three Rh3+ and one Bi3+ atom to form distorted corner-sharing OBiRh3 tetrahedra. In the third O2- site, O2- is bonded in a 3-coordinate geometry to three Rh3+ and one Bi3+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Be2+ and three Rh3+ atoms. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Be2+ and three Rh3+ atoms. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Be2+ and three Rh3+ atoms.