Materials Data on RuRhS4 by Materials Project

Abstract

RuRhS4 is Pyrite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ru5+ is bonded to six S2- atoms to form RuS6 octahedra that share corners with four equivalent RuS6 octahedra, corners with eight equivalent RhS6 octahedra, and corners with six SRu2RhS tetrahedra. The corner-sharing octahedra tilt angles range from 63–65°. There are two shorter (2.35 Å) and four longer (2.37 Å) Ru–S bond lengths. Rh3+ is bonded to six S2- atoms to form RhS6 octahedra that share corners with four equivalent RhS6 octahedra, corners with eight equivalent RuS6 octahedra, and corners with six SRu2RhS tetrahedra. The corner-sharing octahedra tilt angles range from 64–66°. There are four shorter (2.40 Å) and two longer (2.41 Å) Rh–S bond lengths. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded to two equivalent Ru5+, one Rh3+, and one S2- atom to form distorted SRu2RhS tetrahedra that share a cornercorner with one RhS6 octahedra, corners with two equivalent RuS6 octahedra, and corners with fifteen SRu2RhS tetrahedra. The corner-sharing octahedra tilt angles range from 77–79°. The S–S bond length is 2.27 Å. In the second S2- site, S2- is bonded to one Ru5+, two equivalent Rh3+, and one S2- atom to form distorted SRuRh2S tetrahedra that share a cornercorner with one RuS6 octahedra, corners with two equivalent RhS6 octahedra, and corners with fifteen SRu2RhS tetrahedra. The corner-sharing octahedra tilt angles range from 76–79°. The S–S bond length is 2.27 Å.