Materials Data on Ba3Dy by Materials Project
Ba3Dy is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ba is bonded to eight equivalent Ba and four equivalent Dy atoms to form distorted BaBa8Dy4 cuboctahedra that share corners with four equivalent DyBa12 cuboctahedra, corners with fourteen equivalent BaBa8Dy4 cuboctahedra, edges with six equivalent DyBa12 cuboctahedra, edges with twelve equivalent BaBa8Dy4 cuboctahedra, faces with four equivalent DyBa12 cuboctahedra, and faces with sixteen equivalent BaBa8Dy4 cuboctahedra. There are a spread of Ba–Ba bond distances ranging from 4.06–4.35 Å. There are two shorter (4.10 Å) and two longer (4.21 Å) Ba–Dy bond lengths. Dy is bonded to twelve equivalent Ba atoms to form DyBa12 cuboctahedra that share corners with six equivalent DyBa12 cuboctahedra, corners with twelve equivalent BaBa8Dy4 cuboctahedra, edges with eighteen equivalent BaBa8Dy4 cuboctahedra, faces with eight equivalent DyBa12 cuboctahedra, and faces with twelve equivalent BaBa8Dy4 cuboctahedra.