Materials Data on Zr3Sn by Materials Project
Zr3Sn is beta Cu3Ti structured and crystallizes in the orthorhombic Pmmn space group. The structure is three-dimensional. there are two inequivalent Zr sites. In the first Zr site, Zr is bonded to eight Zr and four equivalent Sn atoms to form distorted ZrZr8Sn4 cuboctahedra that share corners with four equivalent SnZr12 cuboctahedra, corners with ten equivalent ZrZr8Sn4 cuboctahedra, edges with six equivalent ZrZr8Sn4 cuboctahedra, edges with six equivalent SnZr12 cuboctahedra, faces with four equivalent SnZr12 cuboctahedra, and faces with twelve equivalent ZrZr8Sn4 cuboctahedra. There are a spread of Zr–Zr bond distances ranging from 3.06–3.32 Å. There are a spread of Zr–Sn bond distances ranging from 3.15–3.34 Å. In the second Zr site, Zr is bonded in a distorted see-saw-like geometry to eight equivalent Zr and four equivalent Sn atoms. There are two shorter (3.07 Å) and two longer (3.10 Å) Zr–Sn bond lengths. Sn is bonded to twelve Zr atoms to form SnZr12 cuboctahedra that share corners with two equivalent SnZr12 cuboctahedra, corners with eight equivalent ZrZr8Sn4 cuboctahedra, edges with six equivalent SnZr12 cuboctahedra, edges with twelve equivalent ZrZr8Sn4 cuboctahedra, faces with six equivalent SnZr12 cuboctahedra, and faces with eight equivalent ZrZr8Sn4 cuboctahedra.