ErIn2Sn is beta Cu3Ti-derived structured and crystallizes in the tetragonal P4/mmm space group. Er(1) is bonded to eight equivalent In(1) and four equivalent Sn(1) atoms to form ErIn8Sn4 cuboctahedra that share corners with twelve equivalent Er(1)In8Sn4 cuboctahedra, edges with eight equivalent Sn(1)Er4In8 cuboctahedra, edges with sixteen equivalent In(1)Er4In4Sn4 cuboctahedra, faces with four equivalent Sn(1)Er4In8 cuboctahedra, faces with six equivalent Er(1)In8Sn4 cuboctahedra, and faces with eight equivalent In(1)Er4In4Sn4 cuboctahedra. In(1) is bonded to four equivalent Er(1), four equivalent In(1), and four equivalent Sn(1) atoms to form InEr4In4Sn4 cuboctahedra that share corners with twelve equivalent In(1)Er4In4Sn4 cuboctahedra, edges with eight equivalent Er(1)In8Sn4 cuboctahedra, edges with eight equivalent In(1)Er4In4Sn4 cuboctahedra, edges with eight equivalent Sn(1)Er4In8 cuboctahedra, faces with four equivalent Er(1)In8Sn4 cuboctahedra, faces with four equivalent Sn(1)Er4In8 cuboctahedra, and faces with ten equivalent In(1)Er4In4Sn4 cuboctahedra. Sn(1) is bonded to four equivalent Er(1) and eight equivalent In(1) atoms to form SnEr4In8 cuboctahedra that share corners with twelve equivalent Sn(1)Er4In8 cuboctahedra, edges with eight equivalent Er(1)In8Sn4 cuboctahedra, edges with sixteen equivalent In(1)Er4In4Sn4 cuboctahedra, faces with four equivalent Er(1)In8Sn4 cuboctahedra, faces with six equivalent Sn(1)Er4In8 cuboctahedra, and faces with eight equivalent In(1)Er4In4Sn4 cuboctahedra.
ErIn2Sn is beta Cu3Ti-derived structured and crystallizes in the tetragonal P4/mmm space group. Er(1) is bonded to eight equivalent In(1) and four equivalent Sn(1) atoms to form ErIn8Sn4 cuboctahedra that share corners with twelve equivalent Er(1)In8Sn4 cuboctahedra, edges with eight equivalent Sn(1)Er4In8 cuboctahedra, edges with sixteen equivalent In(1)Er4In4Sn4 cuboctahedra, faces with four equivalent Sn(1)Er4In8 cuboctahedra, faces with six equivalent Er(1)In8Sn4 cuboctahedra, and faces with eight equivalent In(1)Er4In4Sn4 cuboctahedra. All Er(1)-In(1) bond lengths are 3.30 Å. All Er(1)-Sn(1) bond lengths are 3.20 Å. In(1) is bonded to four equivalent Er(1), four equivalent In(1), and four equivalent Sn(1) atoms to form InEr4In4Sn4 cuboctahedra that share corners with twelve equivalent In(1)Er4In4Sn4 cuboctahedra, edges with eight equivalent Er(1)In8Sn4 cuboctahedra, edges with eight equivalent In(1)Er4In4Sn4 cuboctahedra, edges with eight equivalent Sn(1)Er4In8 cuboctahedra, faces with four equivalent Er(1)In8Sn4 cuboctahedra, faces with four equivalent Sn(1)Er4In8 cuboctahedra, and faces with ten equivalent In(1)Er4In4Sn4 cuboctahedra. All In(1)-In(1) bond lengths are 3.20 Å. All In(1)-Sn(1) bond lengths are 3.30 Å. Sn(1) is bonded to four equivalent Er(1) and eight equivalent In(1) atoms to form SnEr4In8 cuboctahedra that share corners with twelve equivalent Sn(1)Er4In8 cuboctahedra, edges with eight equivalent Er(1)In8Sn4 cuboctahedra, edges with sixteen equivalent In(1)Er4In4Sn4 cuboctahedra, faces with four equivalent Er(1)In8Sn4 cuboctahedra, faces with six equivalent Sn(1)Er4In8 cuboctahedra, and faces with eight equivalent In(1)Er4In4Sn4 cuboctahedra.