LaFe2Si2 crystallizes in the tetragonal I4/mmm space group. La(1) is bonded in a 16-coordinate geometry to eight equivalent Fe(1) and eight equivalent Si(1) atoms. Fe(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Fe(1) atoms.
LaFe2Si2 crystallizes in the tetragonal I4/mmm space group. La(1) is bonded in a 16-coordinate geometry to eight equivalent Fe(1) and eight equivalent Si(1) atoms. All La(1)-Fe(1) bond lengths are 3.20 Å. All La(1)-Si(1) bond lengths are 3.22 Å. Fe(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Si(1) atoms. All Fe(1)-Si(1) bond lengths are 2.26 Å. Si(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Fe(1) atoms.