Be2CoSi is Zintl Phase-derived structured and crystallizes in the cubic F-43m space group. There are two inequivalent Be sites. In the first Be site, Be(1) is bonded in a 14-coordinate geometry to four equivalent Be(2), six equivalent Co(1), and four equivalent Si(1) atoms. In the second Be site, Be(2) is bonded in a 14-coordinate geometry to four equivalent Be(1), four equivalent Co(1), and six equivalent Si(1) atoms. Co(1) is bonded in a 14-coordinate geometry to four equivalent Be(2), six equivalent Be(1), and four equivalent Si(1) atoms. Si(1) is bonded in a 14-coordinate geometry to four equivalent Be(1), six equivalent Be(2), and four equivalent Co(1) atoms.
Be2CoSi is Zintl Phase-derived structured and crystallizes in the cubic F-43m space group. There are two inequivalent Be sites. In the first Be site, Be(1) is bonded in a 14-coordinate geometry to four equivalent Be(2), six equivalent Co(1), and four equivalent Si(1) atoms. All Be(1)-Be(2) bond lengths are 2.31 Å. All Be(1)-Co(1) bond lengths are 2.66 Å. All Be(1)-Si(1) bond lengths are 2.31 Å. In the second Be site, Be(2) is bonded in a 14-coordinate geometry to four equivalent Be(1), four equivalent Co(1), and six equivalent Si(1) atoms. All Be(2)-Co(1) bond lengths are 2.31 Å. All Be(2)-Si(1) bond lengths are 2.66 Å. Co(1) is bonded in a 14-coordinate geometry to four equivalent Be(2), six equivalent Be(1), and four equivalent Si(1) atoms. All Co(1)-Si(1) bond lengths are 2.31 Å. Si(1) is bonded in a 14-coordinate geometry to four equivalent Be(1), six equivalent Be(2), and four equivalent Co(1) atoms.