Materials Data on Pr3Y by Materials Project
Pr3Y is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Pr is bonded to eight equivalent Pr and four equivalent Y atoms to form PrPr8Y4 cuboctahedra that share corners with four equivalent YPr12 cuboctahedra, corners with fourteen equivalent PrPr8Y4 cuboctahedra, edges with six equivalent YPr12 cuboctahedra, edges with twelve equivalent PrPr8Y4 cuboctahedra, faces with four equivalent YPr12 cuboctahedra, and faces with sixteen equivalent PrPr8Y4 cuboctahedra. There are a spread of Pr–Pr bond distances ranging from 3.68–3.73 Å. There are two shorter (3.68 Å) and two longer (3.72 Å) Pr–Y bond lengths. Y is bonded to twelve equivalent Pr atoms to form YPr12 cuboctahedra that share corners with six equivalent YPr12 cuboctahedra, corners with twelve equivalent PrPr8Y4 cuboctahedra, edges with eighteen equivalent PrPr8Y4 cuboctahedra, faces with eight equivalent YPr12 cuboctahedra, and faces with twelve equivalent PrPr8Y4 cuboctahedra.