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DOE OSTI2020

Materials Data on Zn(RhO2)2 by Materials Project

ZnRh2O4 is Spinel structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Rh3+ is bonded to six equivalent O2- atoms to form RhO6 octahedra that share corners with six equivalent ZnO4 tetrahedra and edges with six equivalent RhO6 octahedra. All Rh–O bond lengths are 2.08 Å. Zn2+ is bonded to four equivalent O2- atoms to form ZnO4 tetrahedra that share corners with twelve equivalent RhO6 octahedra. The corner-sharing octahedral tilt angles are 58°. All Zn–O bond lengths are 2.03 Å. O2- is bonded to three equivalent Rh3+ and one Zn2+ atom to form a mixture of distorted edge and corner-sharing OZnRh3 trigonal pyramids.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on ZnRhO3 by Materials Project

RhZnO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Rh4+ is bonded to six equivalent O2- atoms to form RhO6 octahedra that share corners with six equivalent RhO6 octahedra and faces with eight equivalent ZnO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Rh–O bond lengths are 1.95 Å. Zn2+ is bonded to twelve equivalent O2- atoms to form ZnO12 cuboctahedra that share corners with twelve equivalent ZnO12 cuboctahedra, faces with six equivalent ZnO12 cuboctahedra, and faces with eight equivalent RhO6 octahedra. All Zn–O bond lengths are 2.75 Å. O2- is bonded in a distorted linear geometry to two equivalent Rh4+ and four equivalent Zn2+ atoms.

36 MATERIALS SCIENCE↗