FeGe2 is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. Fe(1) is bonded in a 10-coordinate geometry to two equivalent Fe(1) and eight equivalent Ge(1) atoms. Ge(1) is bonded in a 5-coordinate geometry to four equivalent Fe(1) and one Ge(1) atom.
FeGe2 is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. Fe(1) is bonded in a 10-coordinate geometry to two equivalent Fe(1) and eight equivalent Ge(1) atoms. Both Fe(1)-Fe(1) bond lengths are 2.45 Å. All Fe(1)-Ge(1) bond lengths are 2.55 Å. Ge(1) is bonded in a 5-coordinate geometry to four equivalent Fe(1) and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.59 Å.