BeCo2Si crystallizes in the tetragonal P4/mmm space group. Be(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Co(1) and two equivalent Si(1) atoms. Co(1) is bonded in a distorted body-centered cubic geometry to four equivalent Be(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 10-coordinate geometry to two equivalent Be(1) and eight equivalent Co(1) atoms.
BeCo2Si crystallizes in the tetragonal P4/mmm space group. Be(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Co(1) and two equivalent Si(1) atoms. All Be(1)-Co(1) bond lengths are 2.31 Å. Both Be(1)-Si(1) bond lengths are 2.62 Å. Co(1) is bonded in a distorted body-centered cubic geometry to four equivalent Be(1) and four equivalent Si(1) atoms. All Co(1)-Si(1) bond lengths are 2.34 Å. Si(1) is bonded in a 10-coordinate geometry to two equivalent Be(1) and eight equivalent Co(1) atoms.