UFe2Si2 crystallizes in the tetragonal I4/mmm space group. U(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 U(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to four equivalent U(1), four equivalent Fe(1), and one Si(1) atom.
UFe2Si2 crystallizes in the tetragonal I4/mmm space group. U(1) is bonded in a 16-coordinate geometry to eight equivalent Fe(1) and eight equivalent Si(1) atoms. All U(1)-Fe(1) bond lengths are 3.04 Å. All U(1)-Si(1) bond lengths are 3.06 Å. Fe(1) is bonded in a 4-coordinate geometry to four equivalent U(1) and four equivalent Si(1) atoms. All Fe(1)-Si(1) bond lengths are 2.26 Å. Si(1) is bonded in a 9-coordinate geometry to four equivalent U(1), four equivalent Fe(1), and one Si(1) atom. The Si(1)-Si(1) bond length is 2.46 Å.