Materials Data on AgPt by Materials Project

Abstract

PtAg crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Pt2- is bonded to six equivalent Pt2- and six equivalent Ag2+ atoms to form PtAg6Pt6 cuboctahedra that share corners with eighteen equivalent PtAg6Pt6 cuboctahedra, edges with six equivalent PtAg6Pt6 cuboctahedra, edges with twelve equivalent AgAg6Pt6 cuboctahedra, faces with eight equivalent PtAg6Pt6 cuboctahedra, and faces with twelve equivalent AgAg6Pt6 cuboctahedra. All Pt–Pt bond lengths are 2.83 Å. All Pt–Ag bond lengths are 2.90 Å. Ag2+ is bonded to six equivalent Pt2- and six equivalent Ag2+ atoms to form distorted AgAg6Pt6 cuboctahedra that share corners with eighteen equivalent AgAg6Pt6 cuboctahedra, edges with six equivalent AgAg6Pt6 cuboctahedra, edges with twelve equivalent PtAg6Pt6 cuboctahedra, faces with eight equivalent AgAg6Pt6 cuboctahedra, and faces with twelve equivalent PtAg6Pt6 cuboctahedra. All Ag–Ag bond lengths are 2.83 Å.