FeSi2 crystallizes in the tetragonal P4/mmm space group. Fe(1) is bonded in a body-centered cubic geometry to eight equivalent Si(1) atoms. Si(1) is bonded in a 5-coordinate geometry to four equivalent Fe(1) and one Si(1) atom.
FeSi2 crystallizes in the tetragonal P4/mmm space group. Fe(1) is bonded in a body-centered cubic geometry to eight equivalent Si(1) atoms. All Fe(1)-Si(1) bond lengths are 2.35 Å. Si(1) is bonded in a 5-coordinate geometry to four equivalent Fe(1) and one Si(1) atom. The Si(1)-Si(1) bond length is 2.33 Å.