Materials Data on CdBi3 by Materials Project

Abstract

CdBi3 is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Cd is bonded to twelve Bi atoms to form CdBi12 cuboctahedra that share corners with four equivalent CdBi12 cuboctahedra, corners with eight equivalent BiCd4Bi8 cuboctahedra, edges with eight equivalent CdBi12 cuboctahedra, edges with sixteen equivalent BiCd4Bi8 cuboctahedra, faces with four equivalent CdBi12 cuboctahedra, and faces with fourteen BiCd4Bi8 cuboctahedra. There are eight shorter (3.47 Å) and four longer (3.59 Å) Cd–Bi bond lengths. There are two inequivalent Bi sites. In the first Bi site, Bi is bonded to four equivalent Cd and eight Bi atoms to form distorted BiCd4Bi8 cuboctahedra that share corners with twelve equivalent BiCd4Bi8 cuboctahedra, edges with eight equivalent CdBi12 cuboctahedra, edges with sixteen BiCd4Bi8 cuboctahedra, faces with four equivalent CdBi12 cuboctahedra, and faces with fourteen BiCd4Bi8 cuboctahedra. There are four shorter (3.47 Å) and four longer (3.59 Å) Bi–Bi bond lengths. In the second Bi site, Bi is bonded to four equivalent Cd and eight equivalent Bi atoms to form BiCd4Bi8 cuboctahedra that share corners with four equivalent BiCd4Bi8 cuboctahedra, corners with eight equivalent CdBi12 cuboctahedra, edges with twenty-four BiCd4Bi8 cuboctahedra, faces with six equivalent CdBi12 cuboctahedra, and faces with twelve BiCd4Bi8 cuboctahedra.